78151570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 164467800

約数和(自身を除く): 86316230

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 349, 457, 490, 698, 914, 1745, 2285, 2443, 3199, 3490, 4570, 4886, 6398, 12215, 15995, 17101, 22393, 24430, 31990, 34202, 44786, 85505, 111965, 159493, 171010, 223930, 318986, 797465, 1116451, 1594930, 2232902, 5582255, 7815157, 11164510, 15630314, 39075785, 78151570]

約数ペア:

[(1, 78151570), (2, 39075785), (5, 15630314), (7, 11164510), (10, 7815157), (14, 5582255), (35, 2232902), (49, 1594930), (70, 1116451), (98, 797465), (245, 318986), (349, 223930), (457, 171010), (490, 159493), (698, 111965), (914, 85505), (1745, 44786), (2285, 34202), (2443, 31990), (3199, 24430), (3490, 22393), (4570, 17101), (4886, 15995), (6398, 12215)]