74213420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9539}}^1$

素因数の和:9937

約数の個数: 24

約数和(自身を含む): 156265200

約数和(自身を除く): 82051780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 9539, 19078, 38156, 47695, 95390, 190780, 3710671, 7421342, 14842684, 18553355, 37106710, 74213420]

約数ペア:

[(1, 74213420), (2, 37106710), (4, 18553355), (5, 14842684), (10, 7421342), (20, 3710671), (389, 190780), (778, 95390), (1556, 47695), (1945, 38156), (3890, 19078), (7780, 9539)]