74321620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2767}}^1$

素因数の和:2872

約数の個数: 48

約数和(自身を含む): 167408640

約数和(自身を除く): 93087020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 2767, 5372, 5534, 6715, 11068, 13430, 13835, 26860, 27670, 47039, 55340, 94078, 188156, 218593, 235195, 437186, 470390, 874372, 940780, 1092965, 2185930, 3716081, 4371860, 7432162, 14864324, 18580405, 37160810, 74321620]

約数ペア:

[(1, 74321620), (2, 37160810), (4, 18580405), (5, 14864324), (10, 7432162), (17, 4371860), (20, 3716081), (34, 2185930), (68, 1092965), (79, 940780), (85, 874372), (158, 470390), (170, 437186), (316, 235195), (340, 218593), (395, 188156), (790, 94078), (1343, 55340), (1580, 47039), (2686, 27670), (2767, 26860), (5372, 13835), (5534, 13430), (6715, 11068)]