1569708020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{2179}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 3332784000

約数和(自身を除く): 1763075980

約数列:

[1, 2, 4, 5, 10, 20, 181, 199, 362, 398, 724, 796, 905, 995, 1810, 1990, 2179, 3620, 3980, 4358, 8716, 10895, 21790, 36019, 43580, 72038, 144076, 180095, 360190, 394399, 433621, 720380, 788798, 867242, 1577596, 1734484, 1971995, 2168105, 3943990, 4336210, 7887980, 8672420, 78485401, 156970802, 313941604, 392427005, 784854010, 1569708020]

約数ペア:

[(1, 1569708020), (2, 784854010), (4, 392427005), (5, 313941604), (10, 156970802), (20, 78485401), (181, 8672420), (199, 7887980), (362, 4336210), (398, 3943990), (724, 2168105), (796, 1971995), (905, 1734484), (995, 1577596), (1810, 867242), (1990, 788798), (2179, 720380), (3620, 433621), (3980, 394399), (4358, 360190), (8716, 180095), (10895, 144076), (21790, 72038), (36019, 43580)]