9389980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 20865600

約数和(自身を除く): 11475620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 149, 230, 274, 298, 460, 548, 596, 685, 745, 1370, 1490, 2740, 2980, 3151, 3427, 6302, 6854, 12604, 13708, 15755, 17135, 20413, 31510, 34270, 40826, 63020, 68540, 81652, 102065, 204130, 408260, 469499, 938998, 1877996, 2347495, 4694990, 9389980]

約数ペア:

[(1, 9389980), (2, 4694990), (4, 2347495), (5, 1877996), (10, 938998), (20, 469499), (23, 408260), (46, 204130), (92, 102065), (115, 81652), (137, 68540), (149, 63020), (230, 40826), (274, 34270), (298, 31510), (460, 20413), (548, 17135), (596, 15755), (685, 13708), (745, 12604), (1370, 6854), (1490, 6302), (2740, 3427), (2980, 3151)]