31308860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 72932832

約数和(自身を除く): 41623972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2333, 2684, 3355, 4666, 6710, 9332, 11665, 13420, 23330, 25663, 46660, 51326, 102652, 128315, 142313, 256630, 284626, 513260, 569252, 711565, 1423130, 1565443, 2846260, 3130886, 6261772, 7827215, 15654430, 31308860]

約数ペア:

[(1, 31308860), (2, 15654430), (4, 7827215), (5, 6261772), (10, 3130886), (11, 2846260), (20, 1565443), (22, 1423130), (44, 711565), (55, 569252), (61, 513260), (110, 284626), (122, 256630), (220, 142313), (244, 128315), (305, 102652), (610, 51326), (671, 46660), (1220, 25663), (1342, 23330), (2333, 13420), (2684, 11665), (3355, 9332), (4666, 6710)]