2174703020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{218783}}^1$

素因数の和:218870

約数の個数: 48

約数和(自身を含む): 5292822528

約数和(自身を除く): 3118119508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 218783, 437566, 875132, 1093915, 1531481, 2187830, 3062962, 4375660, 6125924, 7657405, 15314810, 15533593, 30629620, 31067186, 62134372, 77667965, 108735151, 155335930, 217470302, 310671860, 434940604, 543675755, 1087351510, 2174703020]

約数ペア:

[(1, 2174703020), (2, 1087351510), (4, 543675755), (5, 434940604), (7, 310671860), (10, 217470302), (14, 155335930), (20, 108735151), (28, 77667965), (35, 62134372), (70, 31067186), (71, 30629620), (140, 15533593), (142, 15314810), (284, 7657405), (355, 6125924), (497, 4375660), (710, 3062962), (994, 2187830), (1420, 1531481), (1988, 1093915), (2485, 875132), (4970, 437566), (9940, 218783)]