209775420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{129491}}^1$

素因数の和:129512

約数の個数: 60

約数和(自身を含む): 658078344

約数和(自身を除く): 448302924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 129491, 258982, 388473, 517964, 647455, 776946, 1165419, 1294910, 1553892, 1942365, 2330838, 2589820, 3496257, 3884730, 4661676, 5827095, 6992514, 7769460, 10488771, 11654190, 13985028, 17481285, 20977542, 23308380, 34962570, 41955084, 52443855, 69925140, 104887710, 209775420]

約数ペア:

[(1, 209775420), (2, 104887710), (3, 69925140), (4, 52443855), (5, 41955084), (6, 34962570), (9, 23308380), (10, 20977542), (12, 17481285), (15, 13985028), (18, 11654190), (20, 10488771), (27, 7769460), (30, 6992514), (36, 5827095), (45, 4661676), (54, 3884730), (60, 3496257), (81, 2589820), (90, 2330838), (108, 1942365), (135, 1553892), (162, 1294910), (180, 1165419), (270, 776946), (324, 647455), (405, 517964), (540, 388473), (810, 258982), (1620, 129491)]