202221680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 492420864

約数和(自身を除く): 290199184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1117, 1168, 1240, 1460, 2234, 2263, 2480, 2920, 4468, 4526, 5585, 5840, 8936, 9052, 11170, 11315, 17872, 18104, 22340, 22630, 34627, 36208, 44680, 45260, 69254, 81541, 89360, 90520, 138508, 163082, 173135, 181040, 277016, 326164, 346270, 407705, 554032, 652328, 692540, 815410, 1304656, 1385080, 1630820, 2527771, 2770160, 3261640, 5055542, 6523280, 10111084, 12638855, 20222168, 25277710, 40444336, 50555420, 101110840, 202221680]

約数ペア:

[(1, 202221680), (2, 101110840), (4, 50555420), (5, 40444336), (8, 25277710), (10, 20222168), (16, 12638855), (20, 10111084), (31, 6523280), (40, 5055542), (62, 3261640), (73, 2770160), (80, 2527771), (124, 1630820), (146, 1385080), (155, 1304656), (248, 815410), (292, 692540), (310, 652328), (365, 554032), (496, 407705), (584, 346270), (620, 326164), (730, 277016), (1117, 181040), (1168, 173135), (1240, 163082), (1460, 138508), (2234, 90520), (2263, 89360), (2480, 81541), (2920, 69254), (4468, 45260), (4526, 44680), (5585, 36208), (5840, 34627), (8936, 22630), (9052, 22340), (11170, 18104), (11315, 17872)]