90347020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{145721}}^1$

素因数の和:145761

約数の個数: 24

約数和(自身を含む): 195850368

約数和(自身を除く): 105503348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 145721, 291442, 582884, 728605, 1457210, 2914420, 4517351, 9034702, 18069404, 22586755, 45173510, 90347020]

約数ペア:

[(1, 90347020), (2, 45173510), (4, 22586755), (5, 18069404), (10, 9034702), (20, 4517351), (31, 2914420), (62, 1457210), (124, 728605), (155, 582884), (310, 291442), (620, 145721)]