422004020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{398117}}^1$

素因数の和:398179

約数の個数: 24

約数和(自身を含む): 902931624

約数和(自身を除く): 480927604

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 398117, 796234, 1592468, 1990585, 3981170, 7962340, 21100201, 42200402, 84400804, 105501005, 211002010, 422004020]

約数ペア:

[(1, 422004020), (2, 211002010), (4, 105501005), (5, 84400804), (10, 42200402), (20, 21100201), (53, 7962340), (106, 3981170), (212, 1990585), (265, 1592468), (530, 796234), (1060, 398117)]