215327140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19469}}^1$

素因数の和:19564

約数の個数: 48

約数和(自身を含む): 523353600

約数和(自身を除く): 308026460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 19469, 38938, 77876, 97345, 136283, 194690, 272566, 389380, 545132, 681415, 1362830, 1538051, 2725660, 3076102, 6152204, 7690255, 10766357, 15380510, 21532714, 30761020, 43065428, 53831785, 107663570, 215327140]

約数ペア:

[(1, 215327140), (2, 107663570), (4, 53831785), (5, 43065428), (7, 30761020), (10, 21532714), (14, 15380510), (20, 10766357), (28, 7690255), (35, 6152204), (70, 3076102), (79, 2725660), (140, 1538051), (158, 1362830), (316, 681415), (395, 545132), (553, 389380), (790, 272566), (1106, 194690), (1580, 136283), (2212, 97345), (2765, 77876), (5530, 38938), (11060, 19469)]