253187620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{11519}}^1$

素因数の和:11692

約数の個数: 48

約数和(自身を含む): 611573760

約数和(自身を除く): 358386140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 10990, 11519, 21980, 23038, 46076, 57595, 80633, 115190, 161266, 230380, 322532, 403165, 806330, 1612660, 1808483, 3616966, 7233932, 9042415, 12659381, 18084830, 25318762, 36169660, 50637524, 63296905, 126593810, 253187620]

約数ペア:

[(1, 253187620), (2, 126593810), (4, 63296905), (5, 50637524), (7, 36169660), (10, 25318762), (14, 18084830), (20, 12659381), (28, 9042415), (35, 7233932), (70, 3616966), (140, 1808483), (157, 1612660), (314, 806330), (628, 403165), (785, 322532), (1099, 230380), (1570, 161266), (2198, 115190), (3140, 80633), (4396, 57595), (5495, 46076), (10990, 23038), (11519, 21980)]