1285678930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{19801}}^1$

素因数の和:20002

約数の個数: 32

約数和(自身を含む): 2383843968

約数和(自身を除く): 1098165038

約数列:

[1, 2, 5, 10, 43, 86, 151, 215, 302, 430, 755, 1510, 6493, 12986, 19801, 32465, 39602, 64930, 99005, 198010, 851443, 1702886, 2989951, 4257215, 5979902, 8514430, 14949755, 29899510, 128567893, 257135786, 642839465, 1285678930]

約数ペア:

[(1, 1285678930), (2, 642839465), (5, 257135786), (10, 128567893), (43, 29899510), (86, 14949755), (151, 8514430), (215, 5979902), (302, 4257215), (430, 2989951), (755, 1702886), (1510, 851443), (6493, 198010), (12986, 99005), (19801, 64930), (32465, 39602)]