202142780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1487}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 485968896

約数和(自身を除く): 283826116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 971, 1487, 1942, 2974, 3884, 4855, 5948, 6797, 7435, 9710, 10409, 13594, 14870, 19420, 20818, 27188, 29740, 33985, 41636, 52045, 67970, 104090, 135940, 208180, 1443877, 2887754, 5775508, 7219385, 10107139, 14438770, 20214278, 28877540, 40428556, 50535695, 101071390, 202142780]

約数ペア:

[(1, 202142780), (2, 101071390), (4, 50535695), (5, 40428556), (7, 28877540), (10, 20214278), (14, 14438770), (20, 10107139), (28, 7219385), (35, 5775508), (70, 2887754), (140, 1443877), (971, 208180), (1487, 135940), (1942, 104090), (2974, 67970), (3884, 52045), (4855, 41636), (5948, 33985), (6797, 29740), (7435, 27188), (9710, 20818), (10409, 19420), (13594, 14870)]