289366890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1861}}^1$

素因数の和:2015

約数の個数: 64

約数和(自身を含む): 714292992

約数和(自身を除く): 424926102

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 73, 142, 146, 213, 219, 355, 365, 426, 438, 710, 730, 1065, 1095, 1861, 2130, 2190, 3722, 5183, 5583, 9305, 10366, 11166, 15549, 18610, 25915, 27915, 31098, 51830, 55830, 77745, 132131, 135853, 155490, 264262, 271706, 396393, 407559, 660655, 679265, 792786, 815118, 1321310, 1358530, 1981965, 2037795, 3963930, 4075590, 9645563, 19291126, 28936689, 48227815, 57873378, 96455630, 144683445, 289366890]

約数ペア:

[(1, 289366890), (2, 144683445), (3, 96455630), (5, 57873378), (6, 48227815), (10, 28936689), (15, 19291126), (30, 9645563), (71, 4075590), (73, 3963930), (142, 2037795), (146, 1981965), (213, 1358530), (219, 1321310), (355, 815118), (365, 792786), (426, 679265), (438, 660655), (710, 407559), (730, 396393), (1065, 271706), (1095, 264262), (1861, 155490), (2130, 135853), (2190, 132131), (3722, 77745), (5183, 55830), (5583, 51830), (9305, 31098), (10366, 27915), (11166, 25915), (15549, 18610)]