201778420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{190357}}^1$

素因数の和:190419

約数の個数: 24

約数和(自身を含む): 431731944

約数和(自身を除く): 229953524

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 190357, 380714, 761428, 951785, 1903570, 3807140, 10088921, 20177842, 40355684, 50444605, 100889210, 201778420]

約数ペア:

[(1, 201778420), (2, 100889210), (4, 50444605), (5, 40355684), (10, 20177842), (20, 10088921), (53, 3807140), (106, 1903570), (212, 951785), (265, 761428), (530, 380714), (1060, 190357)]