251427100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 568713600

約数和(自身を除く): 317286500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 181, 290, 362, 479, 580, 724, 725, 905, 958, 1450, 1810, 1916, 2395, 2900, 3620, 4525, 4790, 5249, 9050, 9580, 10498, 11975, 13891, 18100, 20996, 23950, 26245, 27782, 47900, 52490, 55564, 69455, 86699, 104980, 131225, 138910, 173398, 262450, 277820, 346796, 347275, 433495, 524900, 694550, 866990, 1389100, 1733980, 2167475, 2514271, 4334950, 5028542, 8669900, 10057084, 12571355, 25142710, 50285420, 62856775, 125713550, 251427100]

約数ペア:

[(1, 251427100), (2, 125713550), (4, 62856775), (5, 50285420), (10, 25142710), (20, 12571355), (25, 10057084), (29, 8669900), (50, 5028542), (58, 4334950), (100, 2514271), (116, 2167475), (145, 1733980), (181, 1389100), (290, 866990), (362, 694550), (479, 524900), (580, 433495), (724, 347275), (725, 346796), (905, 277820), (958, 262450), (1450, 173398), (1810, 138910), (1916, 131225), (2395, 104980), (2900, 86699), (3620, 69455), (4525, 55564), (4790, 52490), (5249, 47900), (9050, 27782), (9580, 26245), (10498, 23950), (11975, 20996), (13891, 18100)]