397924780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{106397}}^1$

素因数の和:106434

約数の個数: 48

約数和(自身を含む): 965242656

約数和(自身を除く): 567317876

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 106397, 212794, 425588, 531985, 1063970, 1170367, 1808749, 2127940, 2340734, 3617498, 4681468, 5851835, 7234996, 9043745, 11703670, 18087490, 19896239, 23407340, 36174980, 39792478, 79584956, 99481195, 198962390, 397924780]

約数ペア:

[(1, 397924780), (2, 198962390), (4, 99481195), (5, 79584956), (10, 39792478), (11, 36174980), (17, 23407340), (20, 19896239), (22, 18087490), (34, 11703670), (44, 9043745), (55, 7234996), (68, 5851835), (85, 4681468), (110, 3617498), (170, 2340734), (187, 2127940), (220, 1808749), (340, 1170367), (374, 1063970), (748, 531985), (935, 425588), (1870, 212794), (3740, 106397)]