157220187880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{561500671}}^1$

素因数の和:561500689

約数の個数: 32

約数和(自身を含む): 404280483840

約数和(自身を除く): 247060295960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 561500671, 1123001342, 2246002684, 2807503355, 3930504697, 4492005368, 5615006710, 7861009394, 11230013420, 15722018788, 19652523485, 22460026840, 31444037576, 39305046970, 78610093940, 157220187880]

約数ペア:

[(1, 157220187880), (2, 78610093940), (4, 39305046970), (5, 31444037576), (7, 22460026840), (8, 19652523485), (10, 15722018788), (14, 11230013420), (20, 7861009394), (28, 5615006710), (35, 4492005368), (40, 3930504697), (56, 2807503355), (70, 2246002684), (140, 1123001342), (280, 561500671)]