156860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 387072

約数和(自身を除く): 230212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 124, 155, 220, 230, 253, 310, 341, 460, 506, 620, 682, 713, 1012, 1265, 1364, 1426, 1705, 2530, 2852, 3410, 3565, 5060, 6820, 7130, 7843, 14260, 15686, 31372, 39215, 78430, 156860]

約数ペア:

[(1, 156860), (2, 78430), (4, 39215), (5, 31372), (10, 15686), (11, 14260), (20, 7843), (22, 7130), (23, 6820), (31, 5060), (44, 3565), (46, 3410), (55, 2852), (62, 2530), (92, 1705), (110, 1426), (115, 1364), (124, 1265), (155, 1012), (220, 713), (230, 682), (253, 620), (310, 506), (341, 460)]