139981360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 355463856

約数和(自身を除く): 215482496

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 131, 148, 152, 185, 190, 262, 296, 304, 361, 370, 380, 524, 592, 655, 703, 722, 740, 760, 1048, 1310, 1406, 1444, 1480, 1520, 1805, 2096, 2489, 2620, 2812, 2888, 2960, 3515, 3610, 4847, 4978, 5240, 5624, 5776, 7030, 7220, 9694, 9956, 10480, 11248, 12445, 13357, 14060, 14440, 19388, 19912, 24235, 24890, 26714, 28120, 28880, 38776, 39824, 47291, 48470, 49780, 53428, 56240, 66785, 77552, 92093, 94582, 96940, 99560, 106856, 133570, 184186, 189164, 193880, 199120, 213712, 236455, 267140, 368372, 378328, 387760, 460465, 472910, 534280, 736744, 756656, 920930, 945820, 1068560, 1473488, 1749767, 1841860, 1891640, 3499534, 3683720, 3783280, 6999068, 7367440, 8748835, 13998136, 17497670, 27996272, 34995340, 69990680, 139981360]

約数ペア:

[(1, 139981360), (2, 69990680), (4, 34995340), (5, 27996272), (8, 17497670), (10, 13998136), (16, 8748835), (19, 7367440), (20, 6999068), (37, 3783280), (38, 3683720), (40, 3499534), (74, 1891640), (76, 1841860), (80, 1749767), (95, 1473488), (131, 1068560), (148, 945820), (152, 920930), (185, 756656), (190, 736744), (262, 534280), (296, 472910), (304, 460465), (361, 387760), (370, 378328), (380, 368372), (524, 267140), (592, 236455), (655, 213712), (703, 199120), (722, 193880), (740, 189164), (760, 184186), (1048, 133570), (1310, 106856), (1406, 99560), (1444, 96940), (1480, 94582), (1520, 92093), (1805, 77552), (2096, 66785), (2489, 56240), (2620, 53428), (2812, 49780), (2888, 48470), (2960, 47291), (3515, 39824), (3610, 38776), (4847, 28880), (4978, 28120), (5240, 26714), (5624, 24890), (5776, 24235), (7030, 19912), (7220, 19388), (9694, 14440), (9956, 14060), (10480, 13357), (11248, 12445)]