287447140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127189}}^1$

素因数の和:127311

約数の個数: 24

約数和(自身を含む): 608985720

約数和(自身を除く): 321538580

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 127189, 254378, 508756, 635945, 1271890, 2543780, 14372357, 28744714, 57489428, 71861785, 143723570, 287447140]

約数ペア:

[(1, 287447140), (2, 143723570), (4, 71861785), (5, 57489428), (10, 28744714), (20, 14372357), (113, 2543780), (226, 1271890), (452, 635945), (565, 508756), (1130, 254378), (2260, 127189)]