28943859460

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1229}}^1\times {\mathrm{2797}}^1$

素因数の和:4456

約数の個数: 48

約数和(自身を含む): 60997854960

約数和(自身を除く): 32053995500

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1229, 1684, 2105, 2458, 2797, 4210, 4916, 5594, 6145, 8420, 11188, 12290, 13985, 24580, 27970, 55940, 517409, 1034818, 1177537, 2069636, 2355074, 2587045, 3437513, 4710148, 5174090, 5887685, 6875026, 10348180, 11775370, 13750052, 17187565, 23550740, 34375130, 68750260, 1447192973, 2894385946, 5788771892, 7235964865, 14471929730, 28943859460]

約数ペア:

[(1, 28943859460), (2, 14471929730), (4, 7235964865), (5, 5788771892), (10, 2894385946), (20, 1447192973), (421, 68750260), (842, 34375130), (1229, 23550740), (1684, 17187565), (2105, 13750052), (2458, 11775370), (2797, 10348180), (4210, 6875026), (4916, 5887685), (5594, 5174090), (6145, 4710148), (8420, 3437513), (11188, 2587045), (12290, 2355074), (13985, 2069636), (24580, 1177537), (27970, 1034818), (55940, 517409)]