227831260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3517}}^1$

素因数の和:3646

約数の個数: 48

約数和(自身を含む): 496460160

約数和(自身を除く): 268628900

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 3517, 6478, 7034, 12956, 14068, 16195, 17585, 32390, 35170, 64780, 70340, 144197, 277843, 288394, 555686, 576788, 720985, 1111372, 1389215, 1441970, 2778430, 2883940, 5556860, 11391563, 22783126, 45566252, 56957815, 113915630, 227831260]

約数ペア:

[(1, 227831260), (2, 113915630), (4, 56957815), (5, 45566252), (10, 22783126), (20, 11391563), (41, 5556860), (79, 2883940), (82, 2778430), (158, 1441970), (164, 1389215), (205, 1111372), (316, 720985), (395, 576788), (410, 555686), (790, 288394), (820, 277843), (1580, 144197), (3239, 70340), (3517, 64780), (6478, 35170), (7034, 32390), (12956, 17585), (14068, 16195)]