187420928

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 394900800

約数和(自身を除く): 207479872

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 139, 184, 229, 256, 278, 368, 458, 556, 736, 916, 1112, 1472, 1832, 2224, 2944, 3197, 3664, 4448, 5267, 5888, 6394, 7328, 8896, 10534, 12788, 14656, 17792, 21068, 25576, 29312, 31831, 35584, 42136, 51152, 58624, 63662, 84272, 102304, 127324, 168544, 204608, 254648, 337088, 409216, 509296, 674176, 732113, 818432, 1018592, 1348352, 1464226, 2037184, 2928452, 4074368, 5856904, 8148736, 11713808, 23427616, 46855232, 93710464, 187420928]

約数ペア:

[(1, 187420928), (2, 93710464), (4, 46855232), (8, 23427616), (16, 11713808), (23, 8148736), (32, 5856904), (46, 4074368), (64, 2928452), (92, 2037184), (128, 1464226), (139, 1348352), (184, 1018592), (229, 818432), (256, 732113), (278, 674176), (368, 509296), (458, 409216), (556, 337088), (736, 254648), (916, 204608), (1112, 168544), (1472, 127324), (1832, 102304), (2224, 84272), (2944, 63662), (3197, 58624), (3664, 51152), (4448, 42136), (5267, 35584), (5888, 31831), (6394, 29312), (7328, 25576), (8896, 21068), (10534, 17792), (12788, 14656)]