78888740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3457}}^1$

素因数の和:3636

約数の個数: 48

約数和(自身を含む): 190549632

約数和(自身を除く): 111660892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3457, 4564, 5705, 6914, 11410, 13828, 17285, 22820, 24199, 34570, 48398, 69140, 96796, 120995, 241990, 483980, 563491, 1126982, 2253964, 2817455, 3944437, 5634910, 7888874, 11269820, 15777748, 19722185, 39444370, 78888740]

約数ペア:

[(1, 78888740), (2, 39444370), (4, 19722185), (5, 15777748), (7, 11269820), (10, 7888874), (14, 5634910), (20, 3944437), (28, 2817455), (35, 2253964), (70, 1126982), (140, 563491), (163, 483980), (326, 241990), (652, 120995), (815, 96796), (1141, 69140), (1630, 48398), (2282, 34570), (3260, 24199), (3457, 22820), (4564, 17285), (5705, 13828), (6914, 11410)]