1856571860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{649151}}^1$

素因数の和:649184

約数の個数: 48

約数和(自身を含む): 4580416512

約数和(自身を除く): 2723844652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 649151, 1298302, 2596604, 3245755, 6491510, 7140661, 8438963, 12983020, 14281322, 16877926, 28562644, 33755852, 35703305, 42194815, 71406610, 84389630, 92828593, 142813220, 168779260, 185657186, 371314372, 464142965, 928285930, 1856571860]

約数ペア:

[(1, 1856571860), (2, 928285930), (4, 464142965), (5, 371314372), (10, 185657186), (11, 168779260), (13, 142813220), (20, 92828593), (22, 84389630), (26, 71406610), (44, 42194815), (52, 35703305), (55, 33755852), (65, 28562644), (110, 16877926), (130, 14281322), (143, 12983020), (220, 8438963), (260, 7140661), (286, 6491510), (572, 3245755), (715, 2596604), (1430, 1298302), (2860, 649151)]