418136990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{70991}}^1$

素因数の和:71048

約数の個数: 32

約数和(自身を含む): 817827840

約数和(自身を除く): 399690850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 70991, 141982, 354955, 709910, 1348829, 2200721, 2697658, 4401442, 6744145, 11003605, 13488290, 22007210, 41813699, 83627398, 209068495, 418136990]

約数ペア:

[(1, 418136990), (2, 209068495), (5, 83627398), (10, 41813699), (19, 22007210), (31, 13488290), (38, 11003605), (62, 6744145), (95, 4401442), (155, 2697658), (190, 2200721), (310, 1348829), (589, 709910), (1178, 354955), (2945, 141982), (5890, 70991)]