31843240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 88905600

約数和(自身を除く): 57062360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 293, 380, 418, 440, 494, 520, 572, 586, 715, 760, 836, 988, 1045, 1144, 1172, 1235, 1430, 1465, 1672, 1976, 2090, 2344, 2470, 2717, 2860, 2930, 3223, 3809, 4180, 4940, 5434, 5567, 5720, 5860, 6446, 7618, 8360, 9880, 10868, 11134, 11720, 12892, 13585, 15236, 16115, 19045, 21736, 22268, 25784, 27170, 27835, 30472, 32230, 38090, 41899, 44536, 54340, 55670, 61237, 64460, 72371, 76180, 83798, 108680, 111340, 122474, 128920, 144742, 152360, 167596, 209495, 222680, 244948, 289484, 306185, 335192, 361855, 418990, 489896, 578968, 612370, 723710, 796081, 837980, 1224740, 1447420, 1592162, 1675960, 2449480, 2894840, 3184324, 3980405, 6368648, 7960810, 15921620, 31843240]

約数ペア:

[(1, 31843240), (2, 15921620), (4, 7960810), (5, 6368648), (8, 3980405), (10, 3184324), (11, 2894840), (13, 2449480), (19, 1675960), (20, 1592162), (22, 1447420), (26, 1224740), (38, 837980), (40, 796081), (44, 723710), (52, 612370), (55, 578968), (65, 489896), (76, 418990), (88, 361855), (95, 335192), (104, 306185), (110, 289484), (130, 244948), (143, 222680), (152, 209495), (190, 167596), (209, 152360), (220, 144742), (247, 128920), (260, 122474), (286, 111340), (293, 108680), (380, 83798), (418, 76180), (440, 72371), (494, 64460), (520, 61237), (572, 55670), (586, 54340), (715, 44536), (760, 41899), (836, 38090), (988, 32230), (1045, 30472), (1144, 27835), (1172, 27170), (1235, 25784), (1430, 22268), (1465, 21736), (1672, 19045), (1976, 16115), (2090, 15236), (2344, 13585), (2470, 12892), (2717, 11720), (2860, 11134), (2930, 10868), (3223, 9880), (3809, 8360), (4180, 7618), (4940, 6446), (5434, 5860), (5567, 5720)]