888977890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{161339}}^1$

素因数の和:161394

約数の個数: 32

約数和(自身を含む): 1742472000

約数和(自身を除く): 853494110

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 161339, 322678, 806695, 1613390, 3065441, 4678831, 6130882, 9357662, 15327205, 23394155, 30654410, 46788310, 88897789, 177795578, 444488945, 888977890]

約数ペア:

[(1, 888977890), (2, 444488945), (5, 177795578), (10, 88897789), (19, 46788310), (29, 30654410), (38, 23394155), (58, 15327205), (95, 9357662), (145, 6130882), (190, 4678831), (290, 3065441), (551, 1613390), (1102, 806695), (2755, 322678), (5510, 161339)]