521582980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{4519}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 1139040000

約数和(自身を除く): 617457020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1990, 3980, 4519, 5771, 9038, 11542, 18076, 22595, 23084, 28855, 45190, 57710, 90380, 115420, 131051, 262102, 524204, 655255, 899281, 1310510, 1798562, 2621020, 3597124, 4496405, 8992810, 17985620, 26079149, 52158298, 104316596, 130395745, 260791490, 521582980]

約数ペア:

[(1, 521582980), (2, 260791490), (4, 130395745), (5, 104316596), (10, 52158298), (20, 26079149), (29, 17985620), (58, 8992810), (116, 4496405), (145, 3597124), (199, 2621020), (290, 1798562), (398, 1310510), (580, 899281), (796, 655255), (995, 524204), (1990, 262102), (3980, 131051), (4519, 115420), (5771, 90380), (9038, 57710), (11542, 45190), (18076, 28855), (22595, 23084)]