420199450448

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{709796369}}^1$

素因数の和:709796414

約数の個数: 20

約数和(自身を含む): 836140123860

約数和(自身を除く): 415940673412

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 709796369, 1419592738, 2839185476, 5678370952, 11356741904, 26262465653, 52524931306, 105049862612, 210099725224, 420199450448]

約数ペア:

[(1, 420199450448), (2, 210099725224), (4, 105049862612), (8, 52524931306), (16, 26262465653), (37, 11356741904), (74, 5678370952), (148, 2839185476), (296, 1419592738), (592, 709796369)]