69990680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 171998640

約数和(自身を除く): 102007960

約数列:

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

約数ペア:

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