761980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 1653120

約数和(自身を除く): 891140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1229, 2458, 4916, 6145, 12290, 24580, 38099, 76198, 152396, 190495, 380990, 761980]

約数ペア:

[(1, 761980), (2, 380990), (4, 190495), (5, 152396), (10, 76198), (20, 38099), (31, 24580), (62, 12290), (124, 6145), (155, 4916), (310, 2458), (620, 1229)]