281860308

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 782745600

約数和(自身を除く): 500885292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 79, 92, 93, 124, 138, 139, 158, 186, 207, 237, 276, 278, 279, 316, 372, 414, 417, 474, 556, 558, 711, 713, 828, 834, 948, 1116, 1251, 1422, 1426, 1668, 1817, 2139, 2449, 2502, 2844, 2852, 3197, 3634, 4278, 4309, 4898, 5004, 5451, 6394, 6417, 7268, 7347, 8556, 8618, 9591, 9796, 10902, 10981, 12788, 12834, 12927, 14694, 16353, 17236, 19182, 21804, 21962, 22041, 25668, 25854, 28773, 29388, 32706, 32943, 38364, 38781, 43924, 44082, 51708, 56327, 57546, 65412, 65886, 77562, 88164, 98829, 99107, 112654, 115092, 131772, 155124, 168981, 197658, 198214, 225308, 252563, 297321, 337962, 340411, 395316, 396428, 505126, 506943, 594642, 675924, 680822, 757689, 891963, 1010252, 1013886, 1021233, 1189284, 1361644, 1515378, 1783926, 2027772, 2042466, 2273067, 3030756, 3063699, 3567852, 4084932, 4546134, 6127398, 7829453, 9092268, 12254796, 15658906, 23488359, 31317812, 46976718, 70465077, 93953436, 140930154, 281860308]

約数ペア:

[(1, 281860308), (2, 140930154), (3, 93953436), (4, 70465077), (6, 46976718), (9, 31317812), (12, 23488359), (18, 15658906), (23, 12254796), (31, 9092268), (36, 7829453), (46, 6127398), (62, 4546134), (69, 4084932), (79, 3567852), (92, 3063699), (93, 3030756), (124, 2273067), (138, 2042466), (139, 2027772), (158, 1783926), (186, 1515378), (207, 1361644), (237, 1189284), (276, 1021233), (278, 1013886), (279, 1010252), (316, 891963), (372, 757689), (414, 680822), (417, 675924), (474, 594642), (556, 506943), (558, 505126), (711, 396428), (713, 395316), (828, 340411), (834, 337962), (948, 297321), (1116, 252563), (1251, 225308), (1422, 198214), (1426, 197658), (1668, 168981), (1817, 155124), (2139, 131772), (2449, 115092), (2502, 112654), (2844, 99107), (2852, 98829), (3197, 88164), (3634, 77562), (4278, 65886), (4309, 65412), (4898, 57546), (5004, 56327), (5451, 51708), (6394, 44082), (6417, 43924), (7268, 38781), (7347, 38364), (8556, 32943), (8618, 32706), (9591, 29388), (9796, 28773), (10902, 25854), (10981, 25668), (12788, 22041), (12834, 21962), (12927, 21804), (14694, 19182), (16353, 17236)]