28306460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 74360832

約数和(自身を除く): 46054372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 140, 151, 182, 206, 260, 302, 364, 412, 455, 515, 604, 721, 755, 910, 1030, 1057, 1339, 1442, 1510, 1820, 1963, 2060, 2114, 2678, 2884, 3020, 3605, 3926, 4228, 5285, 5356, 6695, 7210, 7852, 9373, 9815, 10570, 13390, 13741, 14420, 15553, 18746, 19630, 21140, 26780, 27482, 31106, 37492, 39260, 46865, 54964, 62212, 68705, 77765, 93730, 108871, 137410, 155530, 187460, 202189, 217742, 274820, 311060, 404378, 435484, 544355, 808756, 1010945, 1088710, 1415323, 2021890, 2177420, 2830646, 4043780, 5661292, 7076615, 14153230, 28306460]

約数ペア:

[(1, 28306460), (2, 14153230), (4, 7076615), (5, 5661292), (7, 4043780), (10, 2830646), (13, 2177420), (14, 2021890), (20, 1415323), (26, 1088710), (28, 1010945), (35, 808756), (52, 544355), (65, 435484), (70, 404378), (91, 311060), (103, 274820), (130, 217742), (140, 202189), (151, 187460), (182, 155530), (206, 137410), (260, 108871), (302, 93730), (364, 77765), (412, 68705), (455, 62212), (515, 54964), (604, 46865), (721, 39260), (755, 37492), (910, 31106), (1030, 27482), (1057, 26780), (1339, 21140), (1442, 19630), (1510, 18746), (1820, 15553), (1963, 14420), (2060, 13741), (2114, 13390), (2678, 10570), (2884, 9815), (3020, 9373), (3605, 7852), (3926, 7210), (4228, 6695), (5285, 5356)]