90850040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 225460800

約数和(自身を除く): 134610760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 271, 289, 290, 340, 493, 542, 578, 580, 680, 986, 1084, 1156, 1160, 1355, 1445, 1972, 2168, 2312, 2465, 2710, 2890, 3944, 4607, 4930, 5420, 5780, 7859, 8381, 9214, 9860, 10840, 11560, 15718, 16762, 18428, 19720, 23035, 31436, 33524, 36856, 39295, 41905, 46070, 62872, 67048, 78319, 78590, 83810, 92140, 133603, 156638, 157180, 167620, 184280, 267206, 313276, 314360, 335240, 391595, 534412, 626552, 668015, 783190, 1068824, 1336030, 1566380, 2271251, 2672060, 3132760, 4542502, 5344120, 9085004, 11356255, 18170008, 22712510, 45425020, 90850040]

約数ペア:

[(1, 90850040), (2, 45425020), (4, 22712510), (5, 18170008), (8, 11356255), (10, 9085004), (17, 5344120), (20, 4542502), (29, 3132760), (34, 2672060), (40, 2271251), (58, 1566380), (68, 1336030), (85, 1068824), (116, 783190), (136, 668015), (145, 626552), (170, 534412), (232, 391595), (271, 335240), (289, 314360), (290, 313276), (340, 267206), (493, 184280), (542, 167620), (578, 157180), (580, 156638), (680, 133603), (986, 92140), (1084, 83810), (1156, 78590), (1160, 78319), (1355, 67048), (1445, 62872), (1972, 46070), (2168, 41905), (2312, 39295), (2465, 36856), (2710, 33524), (2890, 31436), (3944, 23035), (4607, 19720), (4930, 18428), (5420, 16762), (5780, 15718), (7859, 11560), (8381, 10840), (9214, 9860)]