390626240

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7489}}^1$

素因数の和:7669

約数の個数: 56

約数和(自身を含む): 936010320

約数和(自身を除く): 545384080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 7489, 10432, 13040, 14978, 26080, 29956, 37445, 52160, 59912, 74890, 119824, 149780, 239648, 299560, 479296, 599120, 1198240, 1220707, 2396480, 2441414, 4882828, 6103535, 9765656, 12207070, 19531312, 24414140, 39062624, 48828280, 78125248, 97656560, 195313120, 390626240]

約数ペア:

[(1, 390626240), (2, 195313120), (4, 97656560), (5, 78125248), (8, 48828280), (10, 39062624), (16, 24414140), (20, 19531312), (32, 12207070), (40, 9765656), (64, 6103535), (80, 4882828), (160, 2441414), (163, 2396480), (320, 1220707), (326, 1198240), (652, 599120), (815, 479296), (1304, 299560), (1630, 239648), (2608, 149780), (3260, 119824), (5216, 74890), (6520, 59912), (7489, 52160), (10432, 37445), (13040, 29956), (14978, 26080)]