27984500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 61855248

約数和(自身を除く): 33870748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 577, 970, 1154, 1940, 2308, 2425, 2885, 4850, 5770, 9700, 11540, 12125, 14425, 24250, 28850, 48500, 55969, 57700, 72125, 111938, 144250, 223876, 279845, 288500, 559690, 1119380, 1399225, 2798450, 5596900, 6996125, 13992250, 27984500]

約数ペア:

[(1, 27984500), (2, 13992250), (4, 6996125), (5, 5596900), (10, 2798450), (20, 1399225), (25, 1119380), (50, 559690), (97, 288500), (100, 279845), (125, 223876), (194, 144250), (250, 111938), (388, 72125), (485, 57700), (500, 55969), (577, 48500), (970, 28850), (1154, 24250), (1940, 14425), (2308, 12125), (2425, 11540), (2885, 9700), (4850, 5770)]