402388745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 556416000

約数和(自身を除く): 154027255

約数列:

[1, 5, 11, 19, 55, 95, 209, 419, 919, 1045, 2095, 4595, 4609, 7961, 10109, 17461, 23045, 39805, 50545, 87305, 87571, 192071, 385061, 437855, 960355, 1925305, 4235671, 7316159, 21178355, 36580795, 80477749, 402388745]

約数ペア:

[(1, 402388745), (5, 80477749), (11, 36580795), (19, 21178355), (55, 7316159), (95, 4235671), (209, 1925305), (419, 960355), (919, 437855), (1045, 385061), (2095, 192071), (4595, 87571), (4609, 87305), (7961, 50545), (10109, 39805), (17461, 23045)]