201988400

素因数分解:

$2^4\times 5^2\times {\mathrm{277}}^1\times {\mathrm{1823}}^1$

素因数の和:2118

約数の個数: 60

約数和(自身を含む): 487296192

約数和(自身を除く): 285307792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 277, 400, 554, 1108, 1385, 1823, 2216, 2770, 3646, 4432, 5540, 6925, 7292, 9115, 11080, 13850, 14584, 18230, 22160, 27700, 29168, 36460, 45575, 55400, 72920, 91150, 110800, 145840, 182300, 364600, 504971, 729200, 1009942, 2019884, 2524855, 4039768, 5049710, 8079536, 10099420, 12624275, 20198840, 25248550, 40397680, 50497100, 100994200, 201988400]

約数ペア:

[(1, 201988400), (2, 100994200), (4, 50497100), (5, 40397680), (8, 25248550), (10, 20198840), (16, 12624275), (20, 10099420), (25, 8079536), (40, 5049710), (50, 4039768), (80, 2524855), (100, 2019884), (200, 1009942), (277, 729200), (400, 504971), (554, 364600), (1108, 182300), (1385, 145840), (1823, 110800), (2216, 91150), (2770, 72920), (3646, 55400), (4432, 45575), (5540, 36460), (6925, 29168), (7292, 27700), (9115, 22160), (11080, 18230), (13850, 14584)]