17979080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9173}}^1$

素因数の和:9198

約数の個数: 48

約数和(自身を含む): 47062620

約数和(自身を除く): 29083540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9173, 18346, 36692, 45865, 64211, 73384, 91730, 128422, 183460, 256844, 321055, 366920, 449477, 513688, 642110, 898954, 1284220, 1797908, 2247385, 2568440, 3595816, 4494770, 8989540, 17979080]

約数ペア:

[(1, 17979080), (2, 8989540), (4, 4494770), (5, 3595816), (7, 2568440), (8, 2247385), (10, 1797908), (14, 1284220), (20, 898954), (28, 642110), (35, 513688), (40, 449477), (49, 366920), (56, 321055), (70, 256844), (98, 183460), (140, 128422), (196, 91730), (245, 73384), (280, 64211), (392, 45865), (490, 36692), (980, 18346), (1960, 9173)]