9981860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 25740288

約数和(自身を除く): 15758428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 41, 47, 70, 74, 82, 94, 140, 148, 164, 185, 188, 205, 235, 259, 287, 329, 370, 410, 470, 518, 574, 658, 740, 820, 940, 1036, 1148, 1295, 1316, 1435, 1517, 1645, 1739, 1927, 2590, 2870, 3034, 3290, 3478, 3854, 5180, 5740, 6068, 6580, 6956, 7585, 7708, 8695, 9635, 10619, 12173, 13489, 15170, 17390, 19270, 21238, 24346, 26978, 30340, 34780, 38540, 42476, 48692, 53095, 53956, 60865, 67445, 71299, 106190, 121730, 134890, 142598, 212380, 243460, 269780, 285196, 356495, 499093, 712990, 998186, 1425980, 1996372, 2495465, 4990930, 9981860]

約数ペア:

[(1, 9981860), (2, 4990930), (4, 2495465), (5, 1996372), (7, 1425980), (10, 998186), (14, 712990), (20, 499093), (28, 356495), (35, 285196), (37, 269780), (41, 243460), (47, 212380), (70, 142598), (74, 134890), (82, 121730), (94, 106190), (140, 71299), (148, 67445), (164, 60865), (185, 53956), (188, 53095), (205, 48692), (235, 42476), (259, 38540), (287, 34780), (329, 30340), (370, 26978), (410, 24346), (470, 21238), (518, 19270), (574, 17390), (658, 15170), (740, 13489), (820, 12173), (940, 10619), (1036, 9635), (1148, 8695), (1295, 7708), (1316, 7585), (1435, 6956), (1517, 6580), (1645, 6068), (1739, 5740), (1927, 5180), (2590, 3854), (2870, 3478), (3034, 3290)]