7976920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 21196800

約数和(自身を除く): 13219880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 919, 1085, 1240, 1736, 1838, 2170, 3676, 4340, 4595, 6433, 7352, 8680, 9190, 12866, 18380, 25732, 28489, 32165, 36760, 51464, 56978, 64330, 113956, 128660, 142445, 199423, 227912, 257320, 284890, 398846, 569780, 797692, 997115, 1139560, 1595384, 1994230, 3988460, 7976920]

約数ペア:

[(1, 7976920), (2, 3988460), (4, 1994230), (5, 1595384), (7, 1139560), (8, 997115), (10, 797692), (14, 569780), (20, 398846), (28, 284890), (31, 257320), (35, 227912), (40, 199423), (56, 142445), (62, 128660), (70, 113956), (124, 64330), (140, 56978), (155, 51464), (217, 36760), (248, 32165), (280, 28489), (310, 25732), (434, 18380), (620, 12866), (868, 9190), (919, 8680), (1085, 7352), (1240, 6433), (1736, 4595), (1838, 4340), (2170, 3676)]