9253580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 22403136

約数和(自身を除く): 13149556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 421, 628, 785, 842, 1099, 1570, 1684, 2105, 2198, 2947, 3140, 4210, 4396, 5495, 5894, 8420, 10990, 11788, 14735, 21980, 29470, 58940, 66097, 132194, 264388, 330485, 462679, 660970, 925358, 1321940, 1850716, 2313395, 4626790, 9253580]

約数ペア:

[(1, 9253580), (2, 4626790), (4, 2313395), (5, 1850716), (7, 1321940), (10, 925358), (14, 660970), (20, 462679), (28, 330485), (35, 264388), (70, 132194), (140, 66097), (157, 58940), (314, 29470), (421, 21980), (628, 14735), (785, 11788), (842, 10990), (1099, 8420), (1570, 5894), (1684, 5495), (2105, 4396), (2198, 4210), (2947, 3140)]