199948144

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 438409440

約数和(自身を除く): 238461296

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 121, 164, 176, 229, 242, 328, 451, 458, 484, 656, 902, 916, 968, 1331, 1804, 1832, 1936, 2519, 2662, 3608, 3664, 4961, 5038, 5324, 7216, 9389, 9922, 10076, 10648, 18778, 19844, 20152, 21296, 27709, 37556, 39688, 40304, 54571, 55418, 75112, 79376, 103279, 109142, 110836, 150224, 206558, 218284, 221672, 304799, 413116, 436568, 443344, 609598, 826232, 873136, 1136069, 1219196, 1652464, 2272138, 2438392, 4544276, 4876784, 9088552, 12496759, 18177104, 24993518, 49987036, 99974072, 199948144]

約数ペア:

[(1, 199948144), (2, 99974072), (4, 49987036), (8, 24993518), (11, 18177104), (16, 12496759), (22, 9088552), (41, 4876784), (44, 4544276), (82, 2438392), (88, 2272138), (121, 1652464), (164, 1219196), (176, 1136069), (229, 873136), (242, 826232), (328, 609598), (451, 443344), (458, 436568), (484, 413116), (656, 304799), (902, 221672), (916, 218284), (968, 206558), (1331, 150224), (1804, 110836), (1832, 109142), (1936, 103279), (2519, 79376), (2662, 75112), (3608, 55418), (3664, 54571), (4961, 40304), (5038, 39688), (5324, 37556), (7216, 27709), (9389, 21296), (9922, 20152), (10076, 19844), (10648, 18778)]