397192180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23447}}^1$

素因数の和:23485

約数の個数: 72

約数和(自身を含む): 1047844224

約数和(自身を除く): 650652044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 23447, 46894, 93788, 117235, 164129, 234470, 257917, 328258, 468940, 515834, 656516, 820645, 1031668, 1289585, 1641290, 1805419, 2579170, 2837087, 3282580, 3610838, 5158340, 5674174, 7221676, 9027095, 11348348, 14185435, 18054190, 19859609, 28370870, 36108380, 39719218, 56741740, 79438436, 99298045, 198596090, 397192180]

約数ペア:

[(1, 397192180), (2, 198596090), (4, 99298045), (5, 79438436), (7, 56741740), (10, 39719218), (11, 36108380), (14, 28370870), (20, 19859609), (22, 18054190), (28, 14185435), (35, 11348348), (44, 9027095), (55, 7221676), (70, 5674174), (77, 5158340), (110, 3610838), (121, 3282580), (140, 2837087), (154, 2579170), (220, 1805419), (242, 1641290), (308, 1289585), (385, 1031668), (484, 820645), (605, 656516), (770, 515834), (847, 468940), (1210, 328258), (1540, 257917), (1694, 234470), (2420, 164129), (3388, 117235), (4235, 93788), (8470, 46894), (16940, 23447)]