409875190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{3677}}^1$

素因数の和:3912

約数の個数: 32

約数和(自身を含む): 753136704

約数和(自身を除く): 343261514

約数列:

[1, 2, 5, 10, 71, 142, 157, 314, 355, 710, 785, 1570, 3677, 7354, 11147, 18385, 22294, 36770, 55735, 111470, 261067, 522134, 577289, 1154578, 1305335, 2610670, 2886445, 5772890, 40987519, 81975038, 204937595, 409875190]

約数ペア:

[(1, 409875190), (2, 204937595), (5, 81975038), (10, 40987519), (71, 5772890), (142, 2886445), (157, 2610670), (314, 1305335), (355, 1154578), (710, 577289), (785, 522134), (1570, 261067), (3677, 111470), (7354, 55735), (11147, 36770), (18385, 22294)]