199459840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 88

約数和(自身を含む): 483419520

約数和(自身を除く): 283959680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 239, 256, 320, 326, 478, 512, 640, 652, 815, 956, 1024, 1195, 1280, 1304, 1630, 1912, 2390, 2560, 2608, 3260, 3824, 4780, 5120, 5216, 6520, 7648, 9560, 10432, 13040, 15296, 19120, 20864, 26080, 30592, 38240, 38957, 41728, 52160, 61184, 76480, 77914, 83456, 104320, 122368, 152960, 155828, 166912, 194785, 208640, 244736, 305920, 311656, 389570, 417280, 611840, 623312, 779140, 834560, 1223680, 1246624, 1558280, 2493248, 3116560, 4986496, 6233120, 9972992, 12466240, 19945984, 24932480, 39891968, 49864960, 99729920, 199459840]

約数ペア:

[(1, 199459840), (2, 99729920), (4, 49864960), (5, 39891968), (8, 24932480), (10, 19945984), (16, 12466240), (20, 9972992), (32, 6233120), (40, 4986496), (64, 3116560), (80, 2493248), (128, 1558280), (160, 1246624), (163, 1223680), (239, 834560), (256, 779140), (320, 623312), (326, 611840), (478, 417280), (512, 389570), (640, 311656), (652, 305920), (815, 244736), (956, 208640), (1024, 194785), (1195, 166912), (1280, 155828), (1304, 152960), (1630, 122368), (1912, 104320), (2390, 83456), (2560, 77914), (2608, 76480), (3260, 61184), (3824, 52160), (4780, 41728), (5120, 38957), (5216, 38240), (6520, 30592), (7648, 26080), (9560, 20864), (10432, 19120), (13040, 15296)]