869352020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1\times {\mathrm{2111}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 1862784000

約数和(自身を除く): 993431980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 349, 590, 698, 1180, 1396, 1745, 2111, 3490, 4222, 6980, 8444, 10555, 20591, 21110, 41182, 42220, 82364, 102955, 124549, 205910, 249098, 411820, 498196, 622745, 736739, 1245490, 1473478, 2490980, 2946956, 3683695, 7367390, 14734780, 43467601, 86935202, 173870404, 217338005, 434676010, 869352020]

約数ペア:

[(1, 869352020), (2, 434676010), (4, 217338005), (5, 173870404), (10, 86935202), (20, 43467601), (59, 14734780), (118, 7367390), (236, 3683695), (295, 2946956), (349, 2490980), (590, 1473478), (698, 1245490), (1180, 736739), (1396, 622745), (1745, 498196), (2111, 411820), (3490, 249098), (4222, 205910), (6980, 124549), (8444, 102955), (10555, 82364), (20591, 42220), (21110, 41182)]