201620840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{33829}}^1$

素因数の和:33989

約数の個数: 32

約数和(自身を含む): 456705000

約数和(自身を除く): 255084160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 33829, 67658, 135316, 169145, 270632, 338290, 676580, 1353160, 5040521, 10081042, 20162084, 25202605, 40324168, 50405210, 100810420, 201620840]

約数ペア:

[(1, 201620840), (2, 100810420), (4, 50405210), (5, 40324168), (8, 25202605), (10, 20162084), (20, 10081042), (40, 5040521), (149, 1353160), (298, 676580), (596, 338290), (745, 270632), (1192, 169145), (1490, 135316), (2980, 67658), (5960, 33829)]