389559680

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16451}}^1$

素因数の和:16507

約数の個数: 64

約数和(自身を含む): 956519280

約数和(自身を除く): 566959600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5920, 11840, 16451, 23680, 32902, 65804, 82255, 131608, 164510, 263216, 329020, 526432, 608687, 658040, 1052864, 1217374, 1316080, 2105728, 2434748, 2632160, 3043435, 4869496, 5264320, 6086870, 9738992, 10528640, 12173740, 19477984, 24347480, 38955968, 48694960, 77911936, 97389920, 194779840, 389559680]

約数ペア:

[(1, 389559680), (2, 194779840), (4, 97389920), (5, 77911936), (8, 48694960), (10, 38955968), (16, 24347480), (20, 19477984), (32, 12173740), (37, 10528640), (40, 9738992), (64, 6086870), (74, 5264320), (80, 4869496), (128, 3043435), (148, 2632160), (160, 2434748), (185, 2105728), (296, 1316080), (320, 1217374), (370, 1052864), (592, 658040), (640, 608687), (740, 526432), (1184, 329020), (1480, 263216), (2368, 164510), (2960, 131608), (4736, 82255), (5920, 65804), (11840, 32902), (16451, 23680)]