201371420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{56249}}^1$

素因数の和:56437

約数の個数: 24

約数和(自身を含む): 425250000

約数和(自身を除く): 223878580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 56249, 112498, 224996, 281245, 562490, 1124980, 10068571, 20137142, 40274284, 50342855, 100685710, 201371420]

約数ペア:

[(1, 201371420), (2, 100685710), (4, 50342855), (5, 40274284), (10, 20137142), (20, 10068571), (179, 1124980), (358, 562490), (716, 281245), (895, 224996), (1790, 112498), (3580, 56249)]