30910180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31541}}^1$

素因数の和:31564

約数の個数: 36

約数和(自身を含む): 75511548

約数和(自身を除く): 44601368

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31541, 63082, 126164, 157705, 220787, 315410, 441574, 630820, 883148, 1103935, 1545509, 2207870, 3091018, 4415740, 6182036, 7727545, 15455090, 30910180]

約数ペア:

[(1, 30910180), (2, 15455090), (4, 7727545), (5, 6182036), (7, 4415740), (10, 3091018), (14, 2207870), (20, 1545509), (28, 1103935), (35, 883148), (49, 630820), (70, 441574), (98, 315410), (140, 220787), (196, 157705), (245, 126164), (490, 63082), (980, 31541)]