315048100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1885

約数の個数: 72

約数和(自身を含む): 717016608

約数和(自身を除く): 401968508

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 43, 50, 82, 86, 100, 164, 172, 205, 215, 410, 430, 820, 860, 1025, 1075, 1763, 1787, 2050, 2150, 3526, 3574, 4100, 4300, 7052, 7148, 8815, 8935, 17630, 17870, 35260, 35740, 44075, 44675, 73267, 76841, 88150, 89350, 146534, 153682, 176300, 178700, 293068, 307364, 366335, 384205, 732670, 768410, 1465340, 1536820, 1831675, 1921025, 3150481, 3663350, 3842050, 6300962, 7326700, 7684100, 12601924, 15752405, 31504810, 63009620, 78762025, 157524050, 315048100]

約数ペア:

[(1, 315048100), (2, 157524050), (4, 78762025), (5, 63009620), (10, 31504810), (20, 15752405), (25, 12601924), (41, 7684100), (43, 7326700), (50, 6300962), (82, 3842050), (86, 3663350), (100, 3150481), (164, 1921025), (172, 1831675), (205, 1536820), (215, 1465340), (410, 768410), (430, 732670), (820, 384205), (860, 366335), (1025, 307364), (1075, 293068), (1763, 178700), (1787, 176300), (2050, 153682), (2150, 146534), (3526, 89350), (3574, 88150), (4100, 76841), (4300, 73267), (7052, 44675), (7148, 44075), (8815, 35740), (8935, 35260), (17630, 17870)]