890049020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 2176892928

約数和(自身を除く): 1286843908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 127, 140, 226, 254, 443, 452, 508, 565, 635, 791, 886, 889, 1130, 1270, 1582, 1772, 1778, 2215, 2260, 2540, 3101, 3164, 3556, 3955, 4430, 4445, 6202, 7910, 8860, 8890, 12404, 14351, 15505, 15820, 17780, 28702, 31010, 50059, 56261, 57404, 62020, 71755, 100118, 100457, 112522, 143510, 200236, 200914, 225044, 250295, 281305, 287020, 350413, 393827, 401828, 500590, 502285, 562610, 700826, 787654, 1001180, 1004570, 1125220, 1401652, 1575308, 1752065, 1969135, 2009140, 3504130, 3938270, 6357493, 7008260, 7876540, 12714986, 25429972, 31787465, 44502451, 63574930, 89004902, 127149860, 178009804, 222512255, 445024510, 890049020]

約数ペア:

[(1, 890049020), (2, 445024510), (4, 222512255), (5, 178009804), (7, 127149860), (10, 89004902), (14, 63574930), (20, 44502451), (28, 31787465), (35, 25429972), (70, 12714986), (113, 7876540), (127, 7008260), (140, 6357493), (226, 3938270), (254, 3504130), (443, 2009140), (452, 1969135), (508, 1752065), (565, 1575308), (635, 1401652), (791, 1125220), (886, 1004570), (889, 1001180), (1130, 787654), (1270, 700826), (1582, 562610), (1772, 502285), (1778, 500590), (2215, 401828), (2260, 393827), (2540, 350413), (3101, 287020), (3164, 281305), (3556, 250295), (3955, 225044), (4430, 200914), (4445, 200236), (6202, 143510), (7910, 112522), (8860, 100457), (8890, 100118), (12404, 71755), (14351, 62020), (15505, 57404), (15820, 56261), (17780, 50059), (28702, 31010)]