38999870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2565

約数の個数: 64

約数和(自身を含む): 91518336

約数和(自身を除く): 52518466

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1547, 2210, 2521, 3094, 5042, 7735, 12605, 15470, 17647, 25210, 32773, 35294, 42857, 65546, 85714, 88235, 163865, 176470, 214285, 229411, 299999, 327730, 428570, 458822, 557141, 599998, 1114282, 1147055, 1499995, 2294110, 2785705, 2999990, 3899987, 5571410, 7799974, 19499935, 38999870]

約数ペア:

[(1, 38999870), (2, 19499935), (5, 7799974), (7, 5571410), (10, 3899987), (13, 2999990), (14, 2785705), (17, 2294110), (26, 1499995), (34, 1147055), (35, 1114282), (65, 599998), (70, 557141), (85, 458822), (91, 428570), (119, 327730), (130, 299999), (170, 229411), (182, 214285), (221, 176470), (238, 163865), (442, 88235), (455, 85714), (595, 65546), (910, 42857), (1105, 35294), (1190, 32773), (1547, 25210), (2210, 17647), (2521, 15470), (3094, 12605), (5042, 7735)]