181401420890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{659}}^1$

素因数の和:1256

約数の個数: 96

約数和(自身を含む): 344198574720

約数和(自身を除く): 162797153830

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 461, 659, 710, 841, 922, 1318, 1682, 2059, 2305, 3295, 4118, 4205, 4610, 6590, 8410, 10295, 13369, 19111, 20590, 26738, 32731, 38222, 46789, 59711, 65462, 66845, 93578, 95555, 119422, 133690, 163655, 191110, 233945, 298555, 303799, 327310, 387701, 467890, 554219, 597110, 607598, 775402, 949199, 1108438, 1356881, 1518995, 1898398, 1938505, 2713762, 2771095, 3037990, 3877010, 4745995, 5542190, 6784405, 8810171, 9491990, 13568810, 17620342, 21569729, 27526771, 39349549, 43139458, 44050855, 55053542, 78699098, 88101710, 107848645, 137633855, 196747745, 215697290, 255494959, 275267710, 393495490, 510989918, 625522141, 1251044282, 1277474795, 2554949590, 3127610705, 6255221410, 18140142089, 36280284178, 90700710445, 181401420890]

約数ペア:

[(1, 181401420890), (2, 90700710445), (5, 36280284178), (10, 18140142089), (29, 6255221410), (58, 3127610705), (71, 2554949590), (142, 1277474795), (145, 1251044282), (290, 625522141), (355, 510989918), (461, 393495490), (659, 275267710), (710, 255494959), (841, 215697290), (922, 196747745), (1318, 137633855), (1682, 107848645), (2059, 88101710), (2305, 78699098), (3295, 55053542), (4118, 44050855), (4205, 43139458), (4610, 39349549), (6590, 27526771), (8410, 21569729), (10295, 17620342), (13369, 13568810), (19111, 9491990), (20590, 8810171), (26738, 6784405), (32731, 5542190), (38222, 4745995), (46789, 3877010), (59711, 3037990), (65462, 2771095), (66845, 2713762), (93578, 1938505), (95555, 1898398), (119422, 1518995), (133690, 1356881), (163655, 1108438), (191110, 949199), (233945, 775402), (298555, 607598), (303799, 597110), (327310, 554219), (387701, 467890)]