921111779020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1\times {\mathrm{6247}}^1$

素因数の和:6887

約数の個数: 96

約数和(自身を含む): 1967490201600

約数和(自身を除く): 1046378422580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 239, 283, 436, 478, 545, 566, 956, 1090, 1132, 1195, 1415, 2180, 2390, 2830, 4780, 5660, 6247, 12494, 24988, 26051, 30847, 31235, 52102, 61694, 62470, 67637, 104204, 123388, 124940, 130255, 135274, 154235, 260510, 270548, 308470, 338185, 521020, 616940, 676370, 680923, 1352740, 1361846, 1493033, 1767901, 2723692, 2986066, 3404615, 3535802, 5972132, 6809230, 7071604, 7372433, 7465165, 8839505, 13618460, 14744866, 14930330, 17679010, 29489732, 29860660, 35358020, 36862165, 73724330, 147448660, 162740597, 192701209, 325481194, 385402418, 422528339, 650962388, 770804836, 813702985, 845056678, 963506045, 1627405970, 1690113356, 1927012090, 2112641695, 3254811940, 3854024180, 4225283390, 8450566780, 46055588951, 92111177902, 184222355804, 230277944755, 460555889510, 921111779020]

約数ペア:

[(1, 921111779020), (2, 460555889510), (4, 230277944755), (5, 184222355804), (10, 92111177902), (20, 46055588951), (109, 8450566780), (218, 4225283390), (239, 3854024180), (283, 3254811940), (436, 2112641695), (478, 1927012090), (545, 1690113356), (566, 1627405970), (956, 963506045), (1090, 845056678), (1132, 813702985), (1195, 770804836), (1415, 650962388), (2180, 422528339), (2390, 385402418), (2830, 325481194), (4780, 192701209), (5660, 162740597), (6247, 147448660), (12494, 73724330), (24988, 36862165), (26051, 35358020), (30847, 29860660), (31235, 29489732), (52102, 17679010), (61694, 14930330), (62470, 14744866), (67637, 13618460), (104204, 8839505), (123388, 7465165), (124940, 7372433), (130255, 7071604), (135274, 6809230), (154235, 5972132), (260510, 3535802), (270548, 3404615), (308470, 2986066), (338185, 2723692), (521020, 1767901), (616940, 1493033), (676370, 1361846), (680923, 1352740)]