312768880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1381}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 771156000

約数和(自身を除く): 458387120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 149, 152, 190, 298, 304, 380, 596, 745, 760, 1192, 1381, 1490, 1520, 2384, 2762, 2831, 2980, 5524, 5662, 5960, 6905, 11048, 11324, 11920, 13810, 14155, 22096, 22648, 26239, 27620, 28310, 45296, 52478, 55240, 56620, 104956, 110480, 113240, 131195, 205769, 209912, 226480, 262390, 411538, 419824, 524780, 823076, 1028845, 1049560, 1646152, 2057690, 2099120, 3292304, 3909611, 4115380, 7819222, 8230760, 15638444, 16461520, 19548055, 31276888, 39096110, 62553776, 78192220, 156384440, 312768880]

約数ペア:

[(1, 312768880), (2, 156384440), (4, 78192220), (5, 62553776), (8, 39096110), (10, 31276888), (16, 19548055), (19, 16461520), (20, 15638444), (38, 8230760), (40, 7819222), (76, 4115380), (80, 3909611), (95, 3292304), (149, 2099120), (152, 2057690), (190, 1646152), (298, 1049560), (304, 1028845), (380, 823076), (596, 524780), (745, 419824), (760, 411538), (1192, 262390), (1381, 226480), (1490, 209912), (1520, 205769), (2384, 131195), (2762, 113240), (2831, 110480), (2980, 104956), (5524, 56620), (5662, 55240), (5960, 52478), (6905, 45296), (11048, 28310), (11324, 27620), (11920, 26239), (13810, 22648), (14155, 22096)]