408585420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4967}}^1$

素因数の和:5439

約数の個数: 72

約数和(自身を含む): 1242337824

約数和(自身を除く): 833752404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1371, 1828, 2285, 2742, 4113, 4570, 4967, 5484, 6855, 8226, 9140, 9934, 13710, 14901, 16452, 19868, 20565, 24835, 27420, 29802, 41130, 44703, 49670, 59604, 74505, 82260, 89406, 99340, 149010, 178812, 223515, 298020, 447030, 894060, 2269919, 4539838, 6809757, 9079676, 11349595, 13619514, 20429271, 22699190, 27239028, 34048785, 40858542, 45398380, 68097570, 81717084, 102146355, 136195140, 204292710, 408585420]

約数ペア:

[(1, 408585420), (2, 204292710), (3, 136195140), (4, 102146355), (5, 81717084), (6, 68097570), (9, 45398380), (10, 40858542), (12, 34048785), (15, 27239028), (18, 22699190), (20, 20429271), (30, 13619514), (36, 11349595), (45, 9079676), (60, 6809757), (90, 4539838), (180, 2269919), (457, 894060), (914, 447030), (1371, 298020), (1828, 223515), (2285, 178812), (2742, 149010), (4113, 99340), (4570, 89406), (4967, 82260), (5484, 74505), (6855, 59604), (8226, 49670), (9140, 44703), (9934, 41130), (13710, 29802), (14901, 27420), (16452, 24835), (19868, 20565)]