21869500

素因数分解:

$2^2\times 5^3\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 26353220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 191, 229, 250, 382, 458, 500, 764, 916, 955, 1145, 1910, 2290, 3820, 4580, 4775, 5725, 9550, 11450, 19100, 22900, 23875, 28625, 43739, 47750, 57250, 87478, 95500, 114500, 174956, 218695, 437390, 874780, 1093475, 2186950, 4373900, 5467375, 10934750, 21869500]

約数ペア:

[(1, 21869500), (2, 10934750), (4, 5467375), (5, 4373900), (10, 2186950), (20, 1093475), (25, 874780), (50, 437390), (100, 218695), (125, 174956), (191, 114500), (229, 95500), (250, 87478), (382, 57250), (458, 47750), (500, 43739), (764, 28625), (916, 23875), (955, 22900), (1145, 19100), (1910, 11450), (2290, 9550), (3820, 5725), (4580, 4775)]