12920810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{3767}}^1$

素因数の和:3795

約数の個数: 32

約数和(自身を含む): 27129600

約数和(自身を除く): 14208790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 3767, 7534, 18835, 26369, 37670, 52738, 131845, 184583, 263690, 369166, 922915, 1292081, 1845830, 2584162, 6460405, 12920810]

約数ペア:

[(1, 12920810), (2, 6460405), (5, 2584162), (7, 1845830), (10, 1292081), (14, 922915), (35, 369166), (49, 263690), (70, 184583), (98, 131845), (245, 52738), (343, 37670), (490, 26369), (686, 18835), (1715, 7534), (3430, 3767)]