28364840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 79315200

約数和(自身を除く): 50950360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 59, 68, 70, 85, 101, 118, 119, 136, 140, 170, 202, 236, 238, 280, 295, 340, 404, 413, 472, 476, 505, 590, 595, 680, 707, 808, 826, 952, 1003, 1010, 1180, 1190, 1414, 1652, 1717, 2006, 2020, 2065, 2360, 2380, 2828, 3304, 3434, 3535, 4012, 4040, 4130, 4760, 5015, 5656, 5959, 6868, 7021, 7070, 8024, 8260, 8585, 10030, 11918, 12019, 13736, 14042, 14140, 16520, 17170, 20060, 23836, 24038, 28084, 28280, 29795, 34340, 35105, 40120, 41713, 47672, 48076, 56168, 59590, 60095, 68680, 70210, 83426, 96152, 101303, 119180, 120190, 140420, 166852, 202606, 208565, 238360, 240380, 280840, 333704, 405212, 417130, 480760, 506515, 709121, 810424, 834260, 1013030, 1418242, 1668520, 2026060, 2836484, 3545605, 4052120, 5672968, 7091210, 14182420, 28364840]

約数ペア:

[(1, 28364840), (2, 14182420), (4, 7091210), (5, 5672968), (7, 4052120), (8, 3545605), (10, 2836484), (14, 2026060), (17, 1668520), (20, 1418242), (28, 1013030), (34, 834260), (35, 810424), (40, 709121), (56, 506515), (59, 480760), (68, 417130), (70, 405212), (85, 333704), (101, 280840), (118, 240380), (119, 238360), (136, 208565), (140, 202606), (170, 166852), (202, 140420), (236, 120190), (238, 119180), (280, 101303), (295, 96152), (340, 83426), (404, 70210), (413, 68680), (472, 60095), (476, 59590), (505, 56168), (590, 48076), (595, 47672), (680, 41713), (707, 40120), (808, 35105), (826, 34340), (952, 29795), (1003, 28280), (1010, 28084), (1180, 24038), (1190, 23836), (1414, 20060), (1652, 17170), (1717, 16520), (2006, 14140), (2020, 14042), (2065, 13736), (2360, 12019), (2380, 11918), (2828, 10030), (3304, 8585), (3434, 8260), (3535, 8024), (4012, 7070), (4040, 7021), (4130, 6868), (4760, 5959), (5015, 5656)]