100828540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 215484192

約数和(自身を除く): 114655652

約数列:

[1, 2, 4, 5, 10, 20, 157, 163, 197, 314, 326, 394, 628, 652, 785, 788, 815, 985, 1570, 1630, 1970, 3140, 3260, 3940, 25591, 30929, 32111, 51182, 61858, 64222, 102364, 123716, 127955, 128444, 154645, 160555, 255910, 309290, 321110, 511820, 618580, 642220, 5041427, 10082854, 20165708, 25207135, 50414270, 100828540]

約数ペア:

[(1, 100828540), (2, 50414270), (4, 25207135), (5, 20165708), (10, 10082854), (20, 5041427), (157, 642220), (163, 618580), (197, 511820), (314, 321110), (326, 309290), (394, 255910), (628, 160555), (652, 154645), (785, 128444), (788, 127955), (815, 123716), (985, 102364), (1570, 64222), (1630, 61858), (1970, 51182), (3140, 32111), (3260, 30929), (3940, 25591)]