268496690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2403

約数の個数: 64

約数和(自身を含む): 606659328

約数和(自身を除く): 338162638

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 157, 314, 385, 770, 785, 1099, 1570, 1727, 2198, 2221, 3454, 4442, 5495, 8635, 10990, 11105, 12089, 15547, 17270, 22210, 24178, 24431, 31094, 48862, 60445, 77735, 120890, 122155, 155470, 171017, 244310, 342034, 348697, 697394, 855085, 1710170, 1743485, 2440879, 3486970, 3835667, 4881758, 7671334, 12204395, 19178335, 24408790, 26849669, 38356670, 53699338, 134248345, 268496690]

約数ペア:

[(1, 268496690), (2, 134248345), (5, 53699338), (7, 38356670), (10, 26849669), (11, 24408790), (14, 19178335), (22, 12204395), (35, 7671334), (55, 4881758), (70, 3835667), (77, 3486970), (110, 2440879), (154, 1743485), (157, 1710170), (314, 855085), (385, 697394), (770, 348697), (785, 342034), (1099, 244310), (1570, 171017), (1727, 155470), (2198, 122155), (2221, 120890), (3454, 77735), (4442, 60445), (5495, 48862), (8635, 31094), (10990, 24431), (11105, 24178), (12089, 22210), (15547, 17270)]