280919940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 288

約数和(自身を含む): 992839680

約数和(自身を除く): 711919740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 49, 57, 60, 70, 76, 84, 94, 95, 98, 105, 107, 114, 133, 140, 141, 147, 188, 190, 196, 210, 214, 228, 235, 245, 266, 282, 285, 294, 321, 329, 380, 399, 420, 428, 470, 490, 532, 535, 564, 570, 588, 642, 658, 665, 705, 735, 749, 798, 893, 931, 940, 980, 987, 1070, 1140, 1284, 1316, 1330, 1410, 1470, 1498, 1596, 1605, 1645, 1786, 1862, 1974, 1995, 2033, 2140, 2247, 2303, 2660, 2679, 2793, 2820, 2940, 2996, 3210, 3290, 3572, 3724, 3745, 3948, 3990, 4066, 4465, 4494, 4606, 4655, 4935, 5029, 5243, 5358, 5586, 6099, 6251, 6420, 6580, 6909, 7490, 7980, 8132, 8930, 8988, 9212, 9310, 9870, 10058, 10165, 10486, 10716, 11172, 11235, 11515, 12198, 12502, 13395, 13818, 13965, 14231, 14980, 15087, 15729, 17860, 18620, 18753, 19740, 20116, 20330, 20972, 22470, 23030, 24396, 25004, 25145, 26215, 26790, 27636, 27930, 28462, 30174, 30495, 31255, 31458, 34545, 35203, 37506, 40660, 42693, 43757, 44940, 46060, 50290, 52430, 53580, 55860, 56924, 60348, 60990, 62510, 62916, 69090, 70406, 71155, 75012, 75435, 78645, 85386, 87514, 93765, 95551, 99617, 100580, 104860, 105609, 121980, 125020, 131271, 138180, 140812, 142310, 150870, 157290, 170772, 175028, 176015, 187530, 191102, 199234, 211218, 213465, 218785, 246421, 262542, 284620, 286653, 298851, 301740, 314580, 352030, 375060, 382204, 398468, 422436, 426930, 437570, 477755, 492842, 498085, 525084, 528045, 573306, 597702, 656355, 668857, 704060, 739263, 853860, 875140, 955510, 985684, 996170, 1056090, 1146612, 1195404, 1232105, 1312710, 1337714, 1433265, 1478526, 1494255, 1911020, 1992340, 2006571, 2112180, 2464210, 2625420, 2675428, 2866530, 2957052, 2988510, 3344285, 3696315, 4013142, 4681999, 4928420, 5733060, 5977020, 6688570, 7392630, 8026284, 9363998, 10032855, 13377140, 14045997, 14785260, 18727996, 20065710, 23409995, 28091994, 40131420, 46819990, 56183988, 70229985, 93639980, 140459970, 280919940]

約数ペア:

[(1, 280919940), (2, 140459970), (3, 93639980), (4, 70229985), (5, 56183988), (6, 46819990), (7, 40131420), (10, 28091994), (12, 23409995), (14, 20065710), (15, 18727996), (19, 14785260), (20, 14045997), (21, 13377140), (28, 10032855), (30, 9363998), (35, 8026284), (38, 7392630), (42, 6688570), (47, 5977020), (49, 5733060), (57, 4928420), (60, 4681999), (70, 4013142), (76, 3696315), (84, 3344285), (94, 2988510), (95, 2957052), (98, 2866530), (105, 2675428), (107, 2625420), (114, 2464210), (133, 2112180), (140, 2006571), (141, 1992340), (147, 1911020), (188, 1494255), (190, 1478526), (196, 1433265), (210, 1337714), (214, 1312710), (228, 1232105), (235, 1195404), (245, 1146612), (266, 1056090), (282, 996170), (285, 985684), (294, 955510), (321, 875140), (329, 853860), (380, 739263), (399, 704060), (420, 668857), (428, 656355), (470, 597702), (490, 573306), (532, 528045), (535, 525084), (564, 498085), (570, 492842), (588, 477755), (642, 437570), (658, 426930), (665, 422436), (705, 398468), (735, 382204), (749, 375060), (798, 352030), (893, 314580), (931, 301740), (940, 298851), (980, 286653), (987, 284620), (1070, 262542), (1140, 246421), (1284, 218785), (1316, 213465), (1330, 211218), (1410, 199234), (1470, 191102), (1498, 187530), (1596, 176015), (1605, 175028), (1645, 170772), (1786, 157290), (1862, 150870), (1974, 142310), (1995, 140812), (2033, 138180), (2140, 131271), (2247, 125020), (2303, 121980), (2660, 105609), (2679, 104860), (2793, 100580), (2820, 99617), (2940, 95551), (2996, 93765), (3210, 87514), (3290, 85386), (3572, 78645), (3724, 75435), (3745, 75012), (3948, 71155), (3990, 70406), (4066, 69090), (4465, 62916), (4494, 62510), (4606, 60990), (4655, 60348), (4935, 56924), (5029, 55860), (5243, 53580), (5358, 52430), (5586, 50290), (6099, 46060), (6251, 44940), (6420, 43757), (6580, 42693), (6909, 40660), (7490, 37506), (7980, 35203), (8132, 34545), (8930, 31458), (8988, 31255), (9212, 30495), (9310, 30174), (9870, 28462), (10058, 27930), (10165, 27636), (10486, 26790), (10716, 26215), (11172, 25145), (11235, 25004), (11515, 24396), (12198, 23030), (12502, 22470), (13395, 20972), (13818, 20330), (13965, 20116), (14231, 19740), (14980, 18753), (15087, 18620), (15729, 17860)]