1399480240

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 3301886880

約数和(自身を除く): 1902406640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 379, 404, 457, 505, 758, 808, 914, 1010, 1516, 1616, 1828, 1895, 2020, 2285, 3032, 3656, 3790, 4040, 4570, 6064, 7312, 7580, 8080, 9140, 15160, 18280, 30320, 36560, 38279, 46157, 76558, 92314, 153116, 173203, 184628, 191395, 230785, 306232, 346406, 369256, 382790, 461570, 612464, 692812, 738512, 765580, 866015, 923140, 1385624, 1531160, 1732030, 1846280, 2771248, 3062320, 3464060, 3692560, 6928120, 13856240, 17493503, 34987006, 69974012, 87467515, 139948024, 174935030, 279896048, 349870060, 699740120, 1399480240]

約数ペア:

[(1, 1399480240), (2, 699740120), (4, 349870060), (5, 279896048), (8, 174935030), (10, 139948024), (16, 87467515), (20, 69974012), (40, 34987006), (80, 17493503), (101, 13856240), (202, 6928120), (379, 3692560), (404, 3464060), (457, 3062320), (505, 2771248), (758, 1846280), (808, 1732030), (914, 1531160), (1010, 1385624), (1516, 923140), (1616, 866015), (1828, 765580), (1895, 738512), (2020, 692812), (2285, 612464), (3032, 461570), (3656, 382790), (3790, 369256), (4040, 346406), (4570, 306232), (6064, 230785), (7312, 191395), (7580, 184628), (8080, 173203), (9140, 153116), (15160, 92314), (18280, 76558), (30320, 46157), (36560, 38279)]