201505340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 439750080

約数和(自身を除く): 238244740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 1052, 1315, 1321, 2630, 2642, 5260, 5284, 6605, 7627, 13210, 15254, 26420, 30508, 38135, 38309, 76270, 76618, 152540, 153236, 191545, 347423, 383090, 694846, 766180, 1389692, 1737115, 3474230, 6948460, 10075267, 20150534, 40301068, 50376335, 100752670, 201505340]

約数ペア:

[(1, 201505340), (2, 100752670), (4, 50376335), (5, 40301068), (10, 20150534), (20, 10075267), (29, 6948460), (58, 3474230), (116, 1737115), (145, 1389692), (263, 766180), (290, 694846), (526, 383090), (580, 347423), (1052, 191545), (1315, 153236), (1321, 152540), (2630, 76618), (2642, 76270), (5260, 38309), (5284, 38135), (6605, 30508), (7627, 26420), (13210, 15254)]