10804780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 26320896

約数和(自身を除く): 15516116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1087, 1420, 1988, 2174, 2485, 4348, 4970, 5435, 7609, 9940, 10870, 15218, 21740, 30436, 38045, 76090, 77177, 152180, 154354, 308708, 385885, 540239, 771770, 1080478, 1543540, 2160956, 2701195, 5402390, 10804780]

約数ペア:

[(1, 10804780), (2, 5402390), (4, 2701195), (5, 2160956), (7, 1543540), (10, 1080478), (14, 771770), (20, 540239), (28, 385885), (35, 308708), (70, 154354), (71, 152180), (140, 77177), (142, 76090), (284, 38045), (355, 30436), (497, 21740), (710, 15218), (994, 10870), (1087, 9940), (1420, 7609), (1988, 5435), (2174, 4970), (2485, 4348)]