389920402720

素因数分解:

$2^5\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1361}}^1\times {\mathrm{2423}}^1$

素因数の和:4538

約数の個数: 96

約数和(自身を含む): 923492223360

約数和(自身を除く): 533571820640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 739, 1361, 1478, 2423, 2722, 2956, 3695, 4846, 5444, 5912, 6805, 7390, 9692, 10888, 11824, 12115, 13610, 14780, 19384, 21776, 23648, 24230, 27220, 29560, 38768, 43552, 48460, 54440, 59120, 77536, 96920, 108880, 118240, 193840, 217760, 387680, 1005779, 1790597, 2011558, 3297703, 3581194, 4023116, 5028895, 6595406, 7162388, 8046232, 8952985, 10057790, 13190812, 14324776, 16092464, 16488515, 17905970, 20115580, 26381624, 28649552, 32184928, 32977030, 35811940, 40231160, 52763248, 57299104, 65954060, 71623880, 80462320, 105526496, 131908120, 143247760, 160924640, 263816240, 286495520, 527632480, 2437002517, 4874005034, 9748010068, 12185012585, 19496020136, 24370025170, 38992040272, 48740050340, 77984080544, 97480100680, 194960201360, 389920402720]

約数ペア:

[(1, 389920402720), (2, 194960201360), (4, 97480100680), (5, 77984080544), (8, 48740050340), (10, 38992040272), (16, 24370025170), (20, 19496020136), (32, 12185012585), (40, 9748010068), (80, 4874005034), (160, 2437002517), (739, 527632480), (1361, 286495520), (1478, 263816240), (2423, 160924640), (2722, 143247760), (2956, 131908120), (3695, 105526496), (4846, 80462320), (5444, 71623880), (5912, 65954060), (6805, 57299104), (7390, 52763248), (9692, 40231160), (10888, 35811940), (11824, 32977030), (12115, 32184928), (13610, 28649552), (14780, 26381624), (19384, 20115580), (21776, 17905970), (23648, 16488515), (24230, 16092464), (27220, 14324776), (29560, 13190812), (38768, 10057790), (43552, 8952985), (48460, 8046232), (54440, 7162388), (59120, 6595406), (77536, 5028895), (96920, 4023116), (108880, 3581194), (118240, 3297703), (193840, 2011558), (217760, 1790597), (387680, 1005779)]