28276430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 66878784

約数和(自身を除く): 38602354

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 49, 65, 70, 91, 98, 115, 130, 161, 182, 193, 230, 245, 299, 322, 386, 455, 490, 598, 637, 805, 910, 965, 1127, 1274, 1351, 1495, 1610, 1930, 2093, 2254, 2509, 2702, 2990, 3185, 4186, 4439, 5018, 5635, 6370, 6755, 8878, 9457, 10465, 11270, 12545, 13510, 14651, 17563, 18914, 20930, 22195, 25090, 29302, 31073, 35126, 44390, 47285, 57707, 62146, 73255, 87815, 94570, 115414, 122941, 146510, 155365, 175630, 217511, 245882, 288535, 310730, 403949, 435022, 577070, 614705, 807898, 1087555, 1229410, 2019745, 2175110, 2827643, 4039490, 5655286, 14138215, 28276430]

約数ペア:

[(1, 28276430), (2, 14138215), (5, 5655286), (7, 4039490), (10, 2827643), (13, 2175110), (14, 2019745), (23, 1229410), (26, 1087555), (35, 807898), (46, 614705), (49, 577070), (65, 435022), (70, 403949), (91, 310730), (98, 288535), (115, 245882), (130, 217511), (161, 175630), (182, 155365), (193, 146510), (230, 122941), (245, 115414), (299, 94570), (322, 87815), (386, 73255), (455, 62146), (490, 57707), (598, 47285), (637, 44390), (805, 35126), (910, 31073), (965, 29302), (1127, 25090), (1274, 22195), (1351, 20930), (1495, 18914), (1610, 17563), (1930, 14651), (2093, 13510), (2254, 12545), (2509, 11270), (2702, 10465), (2990, 9457), (3185, 8878), (4186, 6755), (4439, 6370), (5018, 5635)]