489948060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 1694044800

約数和(自身を除く): 1204096740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 179, 190, 196, 210, 228, 245, 266, 285, 294, 343, 358, 380, 399, 420, 490, 532, 537, 570, 588, 665, 686, 716, 735, 798, 895, 931, 980, 1029, 1074, 1140, 1253, 1330, 1372, 1470, 1596, 1715, 1790, 1862, 1995, 2058, 2148, 2401, 2506, 2660, 2685, 2793, 2940, 3401, 3430, 3580, 3724, 3759, 3990, 4116, 4655, 4802, 5012, 5145, 5370, 5586, 6265, 6517, 6802, 6860, 7203, 7518, 7980, 8771, 9310, 9604, 10203, 10290, 10740, 11172, 12005, 12530, 13034, 13604, 13965, 14406, 15036, 17005, 17542, 18620, 18795, 19551, 20406, 20580, 23807, 24010, 25060, 26068, 26313, 27930, 28812, 32585, 34010, 35084, 36015, 37590, 39102, 40812, 43855, 45619, 47614, 48020, 51015, 52626, 55860, 61397, 65170, 68020, 71421, 72030, 75180, 78204, 87710, 91238, 95228, 97755, 102030, 105252, 119035, 122794, 130340, 131565, 136857, 142842, 144060, 166649, 175420, 182476, 184191, 195510, 204060, 228095, 238070, 245588, 263130, 273714, 285684, 306985, 333298, 357105, 368382, 391020, 429779, 456190, 476140, 499947, 526260, 547428, 613970, 666596, 684285, 714210, 736764, 833245, 859558, 912380, 920955, 999894, 1166543, 1227940, 1289337, 1368570, 1428420, 1666490, 1719116, 1841910, 1999788, 2148895, 2333086, 2499735, 2578674, 2737140, 3332980, 3499629, 3683820, 4297790, 4666172, 4999470, 5157348, 5832715, 6446685, 6999258, 8165801, 8595580, 9998940, 11665430, 12893370, 13998516, 16331602, 17498145, 23330860, 24497403, 25786740, 32663204, 34996290, 40829005, 48994806, 69992580, 81658010, 97989612, 122487015, 163316020, 244974030, 489948060]

約数ペア:

[(1, 489948060), (2, 244974030), (3, 163316020), (4, 122487015), (5, 97989612), (6, 81658010), (7, 69992580), (10, 48994806), (12, 40829005), (14, 34996290), (15, 32663204), (19, 25786740), (20, 24497403), (21, 23330860), (28, 17498145), (30, 16331602), (35, 13998516), (38, 12893370), (42, 11665430), (49, 9998940), (57, 8595580), (60, 8165801), (70, 6999258), (76, 6446685), (84, 5832715), (95, 5157348), (98, 4999470), (105, 4666172), (114, 4297790), (133, 3683820), (140, 3499629), (147, 3332980), (179, 2737140), (190, 2578674), (196, 2499735), (210, 2333086), (228, 2148895), (245, 1999788), (266, 1841910), (285, 1719116), (294, 1666490), (343, 1428420), (358, 1368570), (380, 1289337), (399, 1227940), (420, 1166543), (490, 999894), (532, 920955), (537, 912380), (570, 859558), (588, 833245), (665, 736764), (686, 714210), (716, 684285), (735, 666596), (798, 613970), (895, 547428), (931, 526260), (980, 499947), (1029, 476140), (1074, 456190), (1140, 429779), (1253, 391020), (1330, 368382), (1372, 357105), (1470, 333298), (1596, 306985), (1715, 285684), (1790, 273714), (1862, 263130), (1995, 245588), (2058, 238070), (2148, 228095), (2401, 204060), (2506, 195510), (2660, 184191), (2685, 182476), (2793, 175420), (2940, 166649), (3401, 144060), (3430, 142842), (3580, 136857), (3724, 131565), (3759, 130340), (3990, 122794), (4116, 119035), (4655, 105252), (4802, 102030), (5012, 97755), (5145, 95228), (5370, 91238), (5586, 87710), (6265, 78204), (6517, 75180), (6802, 72030), (6860, 71421), (7203, 68020), (7518, 65170), (7980, 61397), (8771, 55860), (9310, 52626), (9604, 51015), (10203, 48020), (10290, 47614), (10740, 45619), (11172, 43855), (12005, 40812), (12530, 39102), (13034, 37590), (13604, 36015), (13965, 35084), (14406, 34010), (15036, 32585), (17005, 28812), (17542, 27930), (18620, 26313), (18795, 26068), (19551, 25060), (20406, 24010), (20580, 23807)]