28711450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{19801}}^1$

素因数の和:19842

約数の個数: 24

約数和(自身を含む): 55247580

約数和(自身を除く): 26536130

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 19801, 39602, 99005, 198010, 495025, 574229, 990050, 1148458, 2871145, 5742290, 14355725, 28711450]

約数ペア:

[(1, 28711450), (2, 14355725), (5, 5742290), (10, 2871145), (25, 1148458), (29, 990050), (50, 574229), (58, 495025), (145, 198010), (290, 99005), (725, 39602), (1450, 19801)]