290416900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{152851}}^1$

素因数の和:152884

約数の個数: 36

約数和(自身を含む): 663377680

約数和(自身を除く): 372960780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 152851, 305702, 611404, 764255, 1528510, 2904169, 3057020, 3821275, 5808338, 7642550, 11616676, 14520845, 15285100, 29041690, 58083380, 72604225, 145208450, 290416900]

約数ペア:

[(1, 290416900), (2, 145208450), (4, 72604225), (5, 58083380), (10, 29041690), (19, 15285100), (20, 14520845), (25, 11616676), (38, 7642550), (50, 5808338), (76, 3821275), (95, 3057020), (100, 2904169), (190, 1528510), (380, 764255), (475, 611404), (950, 305702), (1900, 152851)]