15904420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16229}}^1$

素因数の和:16252

約数の個数: 36

約数和(自身を含む): 38854620

約数和(自身を除く): 22950200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16229, 32458, 64916, 81145, 113603, 162290, 227206, 324580, 454412, 568015, 795221, 1136030, 1590442, 2272060, 3180884, 3976105, 7952210, 15904420]

約数ペア:

[(1, 15904420), (2, 7952210), (4, 3976105), (5, 3180884), (7, 2272060), (10, 1590442), (14, 1136030), (20, 795221), (28, 568015), (35, 454412), (49, 324580), (70, 227206), (98, 162290), (140, 113603), (196, 81145), (245, 64916), (490, 32458), (980, 16229)]