84203980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{601457}}^1$

素因数の和:601473

約数の個数: 24

約数和(自身を含む): 202089888

約数和(自身を除く): 117885908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601457, 1202914, 2405828, 3007285, 4210199, 6014570, 8420398, 12029140, 16840796, 21050995, 42101990, 84203980]

約数ペア:

[(1, 84203980), (2, 42101990), (4, 21050995), (5, 16840796), (7, 12029140), (10, 8420398), (14, 6014570), (20, 4210199), (28, 3007285), (35, 2405828), (70, 1202914), (140, 601457)]