317320520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37957}}^1$

素因数の和:37998

約数の個数: 64

約数和(自身を含む): 819892800

約数和(自身を除く): 502572280

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 37957, 75914, 151828, 189785, 303656, 379570, 417527, 721183, 759140, 835054, 1442366, 1518280, 1670108, 2087635, 2884732, 3340216, 3605915, 4175270, 5769464, 7211830, 7933013, 8350540, 14423660, 15866026, 16701080, 28847320, 31732052, 39665065, 63464104, 79330130, 158660260, 317320520]

約数ペア:

[(1, 317320520), (2, 158660260), (4, 79330130), (5, 63464104), (8, 39665065), (10, 31732052), (11, 28847320), (19, 16701080), (20, 15866026), (22, 14423660), (38, 8350540), (40, 7933013), (44, 7211830), (55, 5769464), (76, 4175270), (88, 3605915), (95, 3340216), (110, 2884732), (152, 2087635), (190, 1670108), (209, 1518280), (220, 1442366), (380, 835054), (418, 759140), (440, 721183), (760, 417527), (836, 379570), (1045, 303656), (1672, 189785), (2090, 151828), (4180, 75914), (8360, 37957)]