305569226440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{421987}}^1$

素因数の和:422462

約数の個数: 64

約数和(自身を含む): 705192586560

約数和(自身を除く): 399623360120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 421, 430, 842, 860, 1684, 1720, 2105, 3368, 4210, 8420, 16840, 18103, 36206, 72412, 90515, 144824, 181030, 362060, 421987, 724120, 843974, 1687948, 2109935, 3375896, 4219870, 8439740, 16879480, 18145441, 36290882, 72581764, 90727205, 145163528, 177656527, 181454410, 355313054, 362908820, 710626108, 725817640, 888282635, 1421252216, 1776565270, 3553130540, 7106261080, 7639230661, 15278461322, 30556922644, 38196153305, 61113845288, 76392306610, 152784613220, 305569226440]

約数ペア:

[(1, 305569226440), (2, 152784613220), (4, 76392306610), (5, 61113845288), (8, 38196153305), (10, 30556922644), (20, 15278461322), (40, 7639230661), (43, 7106261080), (86, 3553130540), (172, 1776565270), (215, 1421252216), (344, 888282635), (421, 725817640), (430, 710626108), (842, 362908820), (860, 355313054), (1684, 181454410), (1720, 177656527), (2105, 145163528), (3368, 90727205), (4210, 72581764), (8420, 36290882), (16840, 18145441), (18103, 16879480), (36206, 8439740), (72412, 4219870), (90515, 3375896), (144824, 2109935), (181030, 1687948), (362060, 843974), (421987, 724120)]