201851980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15551}}^1$

素因数の和:15630

約数の個数: 48

約数和(自身を含む): 470292480

約数和(自身を除く): 268440500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 15551, 31102, 62204, 77755, 155510, 171061, 311020, 342122, 684244, 855305, 917509, 1710610, 1835018, 3421220, 3670036, 4587545, 9175090, 10092599, 18350180, 20185198, 40370396, 50462995, 100925990, 201851980]

約数ペア:

[(1, 201851980), (2, 100925990), (4, 50462995), (5, 40370396), (10, 20185198), (11, 18350180), (20, 10092599), (22, 9175090), (44, 4587545), (55, 3670036), (59, 3421220), (110, 1835018), (118, 1710610), (220, 917509), (236, 855305), (295, 684244), (590, 342122), (649, 311020), (1180, 171061), (1298, 155510), (2596, 77755), (3245, 62204), (6490, 31102), (12980, 15551)]