8466220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 21201264

約数和(自身を除く): 12735044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 163, 196, 212, 245, 265, 326, 371, 490, 530, 652, 742, 815, 980, 1060, 1141, 1484, 1630, 1855, 2282, 2597, 3260, 3710, 4564, 5194, 5705, 7420, 7987, 8639, 10388, 11410, 12985, 15974, 17278, 22820, 25970, 31948, 34556, 39935, 43195, 51940, 60473, 79870, 86390, 120946, 159740, 172780, 241892, 302365, 423311, 604730, 846622, 1209460, 1693244, 2116555, 4233110, 8466220]

約数ペア:

[(1, 8466220), (2, 4233110), (4, 2116555), (5, 1693244), (7, 1209460), (10, 846622), (14, 604730), (20, 423311), (28, 302365), (35, 241892), (49, 172780), (53, 159740), (70, 120946), (98, 86390), (106, 79870), (140, 60473), (163, 51940), (196, 43195), (212, 39935), (245, 34556), (265, 31948), (326, 25970), (371, 22820), (490, 17278), (530, 15974), (652, 12985), (742, 11410), (815, 10388), (980, 8639), (1060, 7987), (1141, 7420), (1484, 5705), (1630, 5194), (1855, 4564), (2282, 3710), (2597, 3260)]