13783940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 17351164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 571, 710, 1142, 1207, 1420, 2284, 2414, 2855, 4828, 5710, 6035, 9707, 11420, 12070, 19414, 24140, 38828, 40541, 48535, 81082, 97070, 162164, 194140, 202705, 405410, 689197, 810820, 1378394, 2756788, 3445985, 6891970, 13783940]

約数ペア:

[(1, 13783940), (2, 6891970), (4, 3445985), (5, 2756788), (10, 1378394), (17, 810820), (20, 689197), (34, 405410), (68, 202705), (71, 194140), (85, 162164), (142, 97070), (170, 81082), (284, 48535), (340, 40541), (355, 38828), (571, 24140), (710, 19414), (1142, 12070), (1207, 11420), (1420, 9707), (2284, 6035), (2414, 5710), (2855, 4828)]