1581230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 3326400

約数和(自身を除く): 1745170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 461, 490, 686, 922, 1715, 2305, 3227, 3430, 4610, 6454, 16135, 22589, 32270, 45178, 112945, 158123, 225890, 316246, 790615, 1581230]

約数ペア:

[(1, 1581230), (2, 790615), (5, 316246), (7, 225890), (10, 158123), (14, 112945), (35, 45178), (49, 32270), (70, 22589), (98, 16135), (245, 6454), (343, 4610), (461, 3430), (490, 3227), (686, 2305), (922, 1715)]