221475380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{26813}}^1$

素因数の和:26888

約数の個数: 48

約数和(自身を含む): 540570240

約数和(自身を除く): 319094860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 26813, 53626, 107252, 134065, 187691, 268130, 375382, 536260, 750764, 938455, 1581967, 1876910, 3163934, 3753820, 6327868, 7909835, 11073769, 15819670, 22147538, 31639340, 44295076, 55368845, 110737690, 221475380]

約数ペア:

[(1, 221475380), (2, 110737690), (4, 55368845), (5, 44295076), (7, 31639340), (10, 22147538), (14, 15819670), (20, 11073769), (28, 7909835), (35, 6327868), (59, 3753820), (70, 3163934), (118, 1876910), (140, 1581967), (236, 938455), (295, 750764), (413, 536260), (590, 375382), (826, 268130), (1180, 187691), (1652, 134065), (2065, 107252), (4130, 53626), (8260, 26813)]