1021927900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2621}}^1$

素因数の和:3199

約数の個数: 72

約数和(自身を含む): 2539899936

約数和(自身を除く): 1517972036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 557, 700, 1114, 2228, 2621, 2785, 3899, 5242, 5570, 7798, 10484, 11140, 13105, 13925, 15596, 18347, 19495, 26210, 27850, 36694, 38990, 52420, 55700, 65525, 73388, 77980, 91735, 97475, 131050, 183470, 194950, 262100, 366940, 389900, 458675, 917350, 1459897, 1834700, 2919794, 5839588, 7299485, 10219279, 14598970, 20438558, 29197940, 36497425, 40877116, 51096395, 72994850, 102192790, 145989700, 204385580, 255481975, 510963950, 1021927900]

約数ペア:

[(1, 1021927900), (2, 510963950), (4, 255481975), (5, 204385580), (7, 145989700), (10, 102192790), (14, 72994850), (20, 51096395), (25, 40877116), (28, 36497425), (35, 29197940), (50, 20438558), (70, 14598970), (100, 10219279), (140, 7299485), (175, 5839588), (350, 2919794), (557, 1834700), (700, 1459897), (1114, 917350), (2228, 458675), (2621, 389900), (2785, 366940), (3899, 262100), (5242, 194950), (5570, 183470), (7798, 131050), (10484, 97475), (11140, 91735), (13105, 77980), (13925, 73388), (15596, 65525), (18347, 55700), (19495, 52420), (26210, 38990), (27850, 36694)]