404603920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1171}}^1$

素因数の和:1808

約数の個数: 80

約数和(自身を含む): 1077752448

約数和(自身を除く): 673148528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 617, 1171, 1234, 2342, 2468, 3085, 4319, 4684, 4936, 5855, 6170, 8197, 8638, 9368, 9872, 11710, 12340, 16394, 17276, 18736, 21595, 23420, 24680, 32788, 34552, 40985, 43190, 46840, 49360, 65576, 69104, 81970, 86380, 93680, 131152, 163940, 172760, 327880, 345520, 655760, 722507, 1445014, 2890028, 3612535, 5057549, 5780056, 7225070, 10115098, 11560112, 14450140, 20230196, 25287745, 28900280, 40460392, 50575490, 57800560, 80920784, 101150980, 202301960, 404603920]

約数ペア:

[(1, 404603920), (2, 202301960), (4, 101150980), (5, 80920784), (7, 57800560), (8, 50575490), (10, 40460392), (14, 28900280), (16, 25287745), (20, 20230196), (28, 14450140), (35, 11560112), (40, 10115098), (56, 7225070), (70, 5780056), (80, 5057549), (112, 3612535), (140, 2890028), (280, 1445014), (560, 722507), (617, 655760), (1171, 345520), (1234, 327880), (2342, 172760), (2468, 163940), (3085, 131152), (4319, 93680), (4684, 86380), (4936, 81970), (5855, 69104), (6170, 65576), (8197, 49360), (8638, 46840), (9368, 43190), (9872, 40985), (11710, 34552), (12340, 32788), (16394, 24680), (17276, 23420), (18736, 21595)]