99998140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:595

約数の個数: 96

約数和(自身を含む): 246758400

約数和(自身を除く): 146760260

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 47, 55, 76, 94, 95, 110, 188, 190, 209, 220, 235, 380, 418, 470, 509, 517, 836, 893, 940, 1018, 1034, 1045, 1786, 2036, 2068, 2090, 2545, 2585, 3572, 4180, 4465, 5090, 5170, 5599, 8930, 9671, 9823, 10180, 10340, 11198, 17860, 19342, 19646, 22396, 23923, 27995, 38684, 39292, 47846, 48355, 49115, 55990, 95692, 96710, 98230, 106381, 111980, 119615, 193420, 196460, 212762, 239230, 263153, 425524, 454537, 478460, 526306, 531905, 909074, 1052612, 1063810, 1315765, 1818148, 2127620, 2272685, 2631530, 4545370, 4999907, 5263060, 9090740, 9999814, 19999628, 24999535, 49999070, 99998140]

約数ペア:

[(1, 99998140), (2, 49999070), (4, 24999535), (5, 19999628), (10, 9999814), (11, 9090740), (19, 5263060), (20, 4999907), (22, 4545370), (38, 2631530), (44, 2272685), (47, 2127620), (55, 1818148), (76, 1315765), (94, 1063810), (95, 1052612), (110, 909074), (188, 531905), (190, 526306), (209, 478460), (220, 454537), (235, 425524), (380, 263153), (418, 239230), (470, 212762), (509, 196460), (517, 193420), (836, 119615), (893, 111980), (940, 106381), (1018, 98230), (1034, 96710), (1045, 95692), (1786, 55990), (2036, 49115), (2068, 48355), (2090, 47846), (2545, 39292), (2585, 38684), (3572, 27995), (4180, 23923), (4465, 22396), (5090, 19646), (5170, 19342), (5599, 17860), (8930, 11198), (9671, 10340), (9823, 10180)]