70550180

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{19489}}^1$

素因数の和:19679

約数の個数: 24

約数和(自身を含む): 148981560

約数和(自身を除く): 78431380

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 19489, 38978, 77956, 97445, 194890, 389780, 3527509, 7055018, 14110036, 17637545, 35275090, 70550180]

約数ペア:

[(1, 70550180), (2, 35275090), (4, 17637545), (5, 14110036), (10, 7055018), (20, 3527509), (181, 389780), (362, 194890), (724, 97445), (905, 77956), (1810, 38978), (3620, 19489)]