312153940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{4003}}^1$

素因数の和:4576

約数の個数: 48

約数和(自身を含む): 750701952

約数和(自身を除く): 438548012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3899, 4003, 5570, 7798, 8006, 11140, 15596, 16012, 19495, 20015, 28021, 38990, 40030, 56042, 77980, 80060, 112084, 140105, 280210, 560420, 2229671, 4459342, 8918684, 11148355, 15607697, 22296710, 31215394, 44593420, 62430788, 78038485, 156076970, 312153940]

約数ペア:

[(1, 312153940), (2, 156076970), (4, 78038485), (5, 62430788), (7, 44593420), (10, 31215394), (14, 22296710), (20, 15607697), (28, 11148355), (35, 8918684), (70, 4459342), (140, 2229671), (557, 560420), (1114, 280210), (2228, 140105), (2785, 112084), (3899, 80060), (4003, 77980), (5570, 56042), (7798, 40030), (8006, 38990), (11140, 28021), (15596, 20015), (16012, 19495)]