31418860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12983}}^1$

素因数の和:13014

約数の個数: 36

約数和(自身を含む): 72528624

約数和(自身を除く): 41109764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12983, 25966, 51932, 64915, 129830, 142813, 259660, 285626, 571252, 714065, 1428130, 1570943, 2856260, 3141886, 6283772, 7854715, 15709430, 31418860]

約数ペア:

[(1, 31418860), (2, 15709430), (4, 7854715), (5, 6283772), (10, 3141886), (11, 2856260), (20, 1570943), (22, 1428130), (44, 714065), (55, 571252), (110, 285626), (121, 259660), (220, 142813), (242, 129830), (484, 64915), (605, 51932), (1210, 25966), (2420, 12983)]