31563820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 70398720

約数和(自身を除く): 38834900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 1163, 1180, 1357, 2326, 2714, 4652, 5428, 5815, 6785, 11630, 13570, 23260, 26749, 27140, 53498, 68617, 106996, 133745, 137234, 267490, 274468, 343085, 534980, 686170, 1372340, 1578191, 3156382, 6312764, 7890955, 15781910, 31563820]

約数ペア:

[(1, 31563820), (2, 15781910), (4, 7890955), (5, 6312764), (10, 3156382), (20, 1578191), (23, 1372340), (46, 686170), (59, 534980), (92, 343085), (115, 274468), (118, 267490), (230, 137234), (236, 133745), (295, 106996), (460, 68617), (590, 53498), (1163, 27140), (1180, 26749), (1357, 23260), (2326, 13570), (2714, 11630), (4652, 6785), (5428, 5815)]