289969260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 1034208000

約数和(自身を除く): 744238740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 49, 57, 58, 60, 70, 76, 84, 87, 95, 98, 105, 114, 116, 133, 140, 145, 147, 174, 179, 190, 196, 203, 210, 228, 245, 266, 285, 290, 294, 348, 358, 380, 399, 406, 420, 435, 490, 532, 537, 551, 570, 580, 588, 609, 665, 716, 735, 798, 812, 870, 895, 931, 980, 1015, 1074, 1102, 1140, 1218, 1253, 1330, 1421, 1470, 1596, 1653, 1740, 1790, 1862, 1995, 2030, 2148, 2204, 2436, 2506, 2660, 2685, 2755, 2793, 2842, 2940, 3045, 3306, 3401, 3580, 3724, 3759, 3857, 3990, 4060, 4263, 4655, 5012, 5191, 5370, 5510, 5586, 5684, 6090, 6265, 6612, 6802, 7105, 7518, 7714, 7980, 8265, 8526, 8771, 9310, 10203, 10382, 10740, 11020, 11172, 11571, 12180, 12530, 13604, 13965, 14210, 15036, 15428, 15573, 16530, 17005, 17052, 17542, 18620, 18795, 19285, 20406, 20764, 21315, 23142, 23807, 25060, 25955, 26313, 26999, 27930, 28420, 31146, 33060, 34010, 35084, 36337, 37590, 38570, 40812, 42630, 43855, 46284, 47614, 51015, 51910, 52626, 53998, 55860, 57855, 62292, 68020, 71421, 72674, 75180, 77140, 77865, 80997, 85260, 87710, 95228, 98629, 102030, 103820, 105252, 107996, 109011, 115710, 119035, 131565, 134995, 142842, 145348, 155730, 161994, 166649, 175420, 181685, 197258, 204060, 218022, 231420, 238070, 254359, 263130, 269990, 285684, 295887, 311460, 323988, 333298, 357105, 363370, 394516, 404985, 436044, 476140, 493145, 499947, 508718, 526260, 539980, 545055, 591774, 666596, 690403, 714210, 726740, 763077, 809970, 833245, 986290, 999894, 1017436, 1090110, 1183548, 1271795, 1380806, 1428420, 1479435, 1526154, 1619940, 1666490, 1972580, 1999788, 2071209, 2180220, 2499735, 2543590, 2761612, 2958870, 3052308, 3332980, 3452015, 3815385, 4142418, 4832821, 4999470, 5087180, 5917740, 6904030, 7630770, 8284836, 9665642, 9998940, 10356045, 13808060, 14498463, 15261540, 19331284, 20712090, 24164105, 28996926, 41424180, 48328210, 57993852, 72492315, 96656420, 144984630, 289969260]

約数ペア:

[(1, 289969260), (2, 144984630), (3, 96656420), (4, 72492315), (5, 57993852), (6, 48328210), (7, 41424180), (10, 28996926), (12, 24164105), (14, 20712090), (15, 19331284), (19, 15261540), (20, 14498463), (21, 13808060), (28, 10356045), (29, 9998940), (30, 9665642), (35, 8284836), (38, 7630770), (42, 6904030), (49, 5917740), (57, 5087180), (58, 4999470), (60, 4832821), (70, 4142418), (76, 3815385), (84, 3452015), (87, 3332980), (95, 3052308), (98, 2958870), (105, 2761612), (114, 2543590), (116, 2499735), (133, 2180220), (140, 2071209), (145, 1999788), (147, 1972580), (174, 1666490), (179, 1619940), (190, 1526154), (196, 1479435), (203, 1428420), (210, 1380806), (228, 1271795), (245, 1183548), (266, 1090110), (285, 1017436), (290, 999894), (294, 986290), (348, 833245), (358, 809970), (380, 763077), (399, 726740), (406, 714210), (420, 690403), (435, 666596), (490, 591774), (532, 545055), (537, 539980), (551, 526260), (570, 508718), (580, 499947), (588, 493145), (609, 476140), (665, 436044), (716, 404985), (735, 394516), (798, 363370), (812, 357105), (870, 333298), (895, 323988), (931, 311460), (980, 295887), (1015, 285684), (1074, 269990), (1102, 263130), (1140, 254359), (1218, 238070), (1253, 231420), (1330, 218022), (1421, 204060), (1470, 197258), (1596, 181685), (1653, 175420), (1740, 166649), (1790, 161994), (1862, 155730), (1995, 145348), (2030, 142842), (2148, 134995), (2204, 131565), (2436, 119035), (2506, 115710), (2660, 109011), (2685, 107996), (2755, 105252), (2793, 103820), (2842, 102030), (2940, 98629), (3045, 95228), (3306, 87710), (3401, 85260), (3580, 80997), (3724, 77865), (3759, 77140), (3857, 75180), (3990, 72674), (4060, 71421), (4263, 68020), (4655, 62292), (5012, 57855), (5191, 55860), (5370, 53998), (5510, 52626), (5586, 51910), (5684, 51015), (6090, 47614), (6265, 46284), (6612, 43855), (6802, 42630), (7105, 40812), (7518, 38570), (7714, 37590), (7980, 36337), (8265, 35084), (8526, 34010), (8771, 33060), (9310, 31146), (10203, 28420), (10382, 27930), (10740, 26999), (11020, 26313), (11172, 25955), (11571, 25060), (12180, 23807), (12530, 23142), (13604, 21315), (13965, 20764), (14210, 20406), (15036, 19285), (15428, 18795), (15573, 18620), (16530, 17542), (17005, 17052)]