504879020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{42859}}^1$

素因数の和:42918

約数の個数: 48

約数和(自身を含む): 1152076800

約数和(自身を除く): 647197780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 42859, 85718, 171436, 214295, 428590, 814321, 857180, 1328629, 1628642, 2657258, 3257284, 4071605, 5314516, 6643145, 8143210, 13286290, 16286420, 25243951, 26572580, 50487902, 100975804, 126219755, 252439510, 504879020]

約数ペア:

[(1, 504879020), (2, 252439510), (4, 126219755), (5, 100975804), (10, 50487902), (19, 26572580), (20, 25243951), (31, 16286420), (38, 13286290), (62, 8143210), (76, 6643145), (95, 5314516), (124, 4071605), (155, 3257284), (190, 2657258), (310, 1628642), (380, 1328629), (589, 857180), (620, 814321), (1178, 428590), (2356, 214295), (2945, 171436), (5890, 85718), (11780, 42859)]