173838680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 402969600

約数和(自身を除く): 229130920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 211, 215, 344, 422, 430, 479, 844, 860, 958, 1055, 1688, 1720, 1916, 2110, 2395, 3832, 4220, 4790, 8440, 9073, 9580, 18146, 19160, 20597, 36292, 41194, 45365, 72584, 82388, 90730, 101069, 102985, 164776, 181460, 202138, 205970, 362920, 404276, 411940, 505345, 808552, 823880, 1010690, 2021380, 4042760, 4345967, 8691934, 17383868, 21729835, 34767736, 43459670, 86919340, 173838680]

約数ペア:

[(1, 173838680), (2, 86919340), (4, 43459670), (5, 34767736), (8, 21729835), (10, 17383868), (20, 8691934), (40, 4345967), (43, 4042760), (86, 2021380), (172, 1010690), (211, 823880), (215, 808552), (344, 505345), (422, 411940), (430, 404276), (479, 362920), (844, 205970), (860, 202138), (958, 181460), (1055, 164776), (1688, 102985), (1720, 101069), (1916, 90730), (2110, 82388), (2395, 72584), (3832, 45365), (4220, 41194), (4790, 36292), (8440, 20597), (9073, 19160), (9580, 18146)]