418294405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 550800000

約数和(自身を除く): 132505595

約数列:

[1, 5, 19, 29, 95, 145, 149, 551, 745, 1019, 2755, 2831, 4321, 5095, 14155, 19361, 21605, 29551, 82099, 96805, 147755, 151831, 410495, 561469, 759155, 2807345, 2884789, 4403099, 14423945, 22015495, 83658881, 418294405]

約数ペア:

[(1, 418294405), (5, 83658881), (19, 22015495), (29, 14423945), (95, 4403099), (145, 2884789), (149, 2807345), (551, 759155), (745, 561469), (1019, 410495), (2755, 151831), (2831, 147755), (4321, 96805), (5095, 82099), (14155, 29551), (19361, 21605)]