449968180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{316879}}^1$

素因数の和:316959

約数の個数: 24

約数和(自身を含む): 958245120

約数和(自身を除く): 508276940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 316879, 633758, 1267516, 1584395, 3168790, 6337580, 22498409, 44996818, 89993636, 112492045, 224984090, 449968180]

約数ペア:

[(1, 449968180), (2, 224984090), (4, 112492045), (5, 89993636), (10, 44996818), (20, 22498409), (71, 6337580), (142, 3168790), (284, 1584395), (355, 1267516), (710, 633758), (1420, 316879)]