168780220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{7219}}^1$

素因数の和:7402

約数の個数: 48

約数和(自身を含む): 407554560

約数和(自身を除く): 238774340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 4676, 5845, 7219, 11690, 14438, 23380, 28876, 36095, 50533, 72190, 101066, 144380, 202132, 252665, 505330, 1010660, 1205573, 2411146, 4822292, 6027865, 8439011, 12055730, 16878022, 24111460, 33756044, 42195055, 84390110, 168780220]

約数ペア:

[(1, 168780220), (2, 84390110), (4, 42195055), (5, 33756044), (7, 24111460), (10, 16878022), (14, 12055730), (20, 8439011), (28, 6027865), (35, 4822292), (70, 2411146), (140, 1205573), (167, 1010660), (334, 505330), (668, 252665), (835, 202132), (1169, 144380), (1670, 101066), (2338, 72190), (3340, 50533), (4676, 36095), (5845, 28876), (7219, 23380), (11690, 14438)]