28697450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:267

約数の個数: 36

約数和(自身を含む): 54817362

約数和(自身を除く): 26119912

約数列:

[1, 2, 5, 10, 25, 50, 61, 97, 122, 194, 305, 485, 610, 970, 1525, 2425, 3050, 4850, 5917, 9409, 11834, 18818, 29585, 47045, 59170, 94090, 147925, 235225, 295850, 470450, 573949, 1147898, 2869745, 5739490, 14348725, 28697450]

約数ペア:

[(1, 28697450), (2, 14348725), (5, 5739490), (10, 2869745), (25, 1147898), (50, 573949), (61, 470450), (97, 295850), (122, 235225), (194, 147925), (305, 94090), (485, 59170), (610, 47045), (970, 29585), (1525, 18818), (2425, 11834), (3050, 9409), (4850, 5917)]