521309150

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 987555840

約数和(自身を除く): 466246690

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 271, 395, 487, 542, 790, 974, 1355, 1975, 2435, 2710, 3950, 4870, 6775, 12175, 13550, 21409, 24350, 38473, 42818, 76946, 107045, 131977, 192365, 214090, 263954, 384730, 535225, 659885, 961825, 1070450, 1319770, 1923650, 3299425, 6598850, 10426183, 20852366, 52130915, 104261830, 260654575, 521309150]

約数ペア:

[(1, 521309150), (2, 260654575), (5, 104261830), (10, 52130915), (25, 20852366), (50, 10426183), (79, 6598850), (158, 3299425), (271, 1923650), (395, 1319770), (487, 1070450), (542, 961825), (790, 659885), (974, 535225), (1355, 384730), (1975, 263954), (2435, 214090), (2710, 192365), (3950, 131977), (4870, 107045), (6775, 76946), (12175, 42818), (13550, 38473), (21409, 24350)]