67224280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 160380000

約数和(自身を除く): 93155720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 394, 449, 760, 788, 898, 985, 1576, 1796, 1970, 2245, 3592, 3743, 3940, 4490, 7486, 7880, 8531, 8980, 14972, 17062, 17960, 18715, 29944, 34124, 37430, 42655, 68248, 74860, 85310, 88453, 149720, 170620, 176906, 341240, 353812, 442265, 707624, 884530, 1680607, 1769060, 3361214, 3538120, 6722428, 8403035, 13444856, 16806070, 33612140, 67224280]

約数ペア:

[(1, 67224280), (2, 33612140), (4, 16806070), (5, 13444856), (8, 8403035), (10, 6722428), (19, 3538120), (20, 3361214), (38, 1769060), (40, 1680607), (76, 884530), (95, 707624), (152, 442265), (190, 353812), (197, 341240), (380, 176906), (394, 170620), (449, 149720), (760, 88453), (788, 85310), (898, 74860), (985, 68248), (1576, 42655), (1796, 37430), (1970, 34124), (2245, 29944), (3592, 18715), (3743, 17960), (3940, 17062), (4490, 14972), (7486, 8980), (7880, 8531)]