830455420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2185409}}^1$

素因数の和:2185437

約数の個数: 24

約数和(自身を含む): 1835744400

約数和(自身を除く): 1005288980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2185409, 4370818, 8741636, 10927045, 21854090, 41522771, 43708180, 83045542, 166091084, 207613855, 415227710, 830455420]

約数ペア:

[(1, 830455420), (2, 415227710), (4, 207613855), (5, 166091084), (10, 83045542), (19, 43708180), (20, 41522771), (38, 21854090), (76, 10927045), (95, 8741636), (190, 4370818), (380, 2185409)]