425861920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21997}}^1$

素因数の和:22034

約数の個数: 72

約数和(自身を含む): 1105927452

約数和(自身を除く): 680065532

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 19360, 21997, 43994, 87988, 109985, 175976, 219970, 241967, 351952, 439940, 483934, 703904, 879880, 967868, 1209835, 1759760, 1935736, 2419670, 2661637, 3519520, 3871472, 4839340, 5323274, 7742944, 9678680, 10646548, 13308185, 19357360, 21293096, 26616370, 38714720, 42586192, 53232740, 85172384, 106465480, 212930960, 425861920]

約数ペア:

[(1, 425861920), (2, 212930960), (4, 106465480), (5, 85172384), (8, 53232740), (10, 42586192), (11, 38714720), (16, 26616370), (20, 21293096), (22, 19357360), (32, 13308185), (40, 10646548), (44, 9678680), (55, 7742944), (80, 5323274), (88, 4839340), (110, 3871472), (121, 3519520), (160, 2661637), (176, 2419670), (220, 1935736), (242, 1759760), (352, 1209835), (440, 967868), (484, 879880), (605, 703904), (880, 483934), (968, 439940), (1210, 351952), (1760, 241967), (1936, 219970), (2420, 175976), (3872, 109985), (4840, 87988), (9680, 43994), (19360, 21997)]