2017303720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61729}}^1$

素因数の和:61802

約数の個数: 64

約数和(自身を含む): 4889016000

約数和(自身を除く): 2871712280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 61729, 123458, 246916, 308645, 493832, 617290, 1172851, 1234580, 2345702, 2469160, 2654347, 4691404, 5308694, 5864255, 9382808, 10617388, 11728510, 13271735, 21234776, 23457020, 26543470, 46914040, 50432593, 53086940, 100865186, 106173880, 201730372, 252162965, 403460744, 504325930, 1008651860, 2017303720]

約数ペア:

[(1, 2017303720), (2, 1008651860), (4, 504325930), (5, 403460744), (8, 252162965), (10, 201730372), (19, 106173880), (20, 100865186), (38, 53086940), (40, 50432593), (43, 46914040), (76, 26543470), (86, 23457020), (95, 21234776), (152, 13271735), (172, 11728510), (190, 10617388), (215, 9382808), (344, 5864255), (380, 5308694), (430, 4691404), (760, 2654347), (817, 2469160), (860, 2345702), (1634, 1234580), (1720, 1172851), (3268, 617290), (4085, 493832), (6536, 308645), (8170, 246916), (16340, 123458), (32680, 61729)]