30649990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:973

約数の個数: 48

約数和(自身を含む): 65155104

約数和(自身を除く): 34505114

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 881, 994, 1762, 2485, 3479, 4405, 4970, 6167, 6958, 8810, 12334, 17395, 30835, 34790, 43169, 61670, 62551, 86338, 125102, 215845, 312755, 431690, 437857, 625510, 875714, 2189285, 3064999, 4378570, 6129998, 15324995, 30649990]

約数ペア:

[(1, 30649990), (2, 15324995), (5, 6129998), (7, 4378570), (10, 3064999), (14, 2189285), (35, 875714), (49, 625510), (70, 437857), (71, 431690), (98, 312755), (142, 215845), (245, 125102), (355, 86338), (490, 62551), (497, 61670), (710, 43169), (881, 34790), (994, 30835), (1762, 17395), (2485, 12334), (3479, 8810), (4405, 6958), (4970, 6167)]