4122500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 9643788

約数和(自身を除く): 5521288

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 125, 170, 194, 250, 340, 388, 425, 485, 500, 625, 850, 970, 1250, 1649, 1700, 1940, 2125, 2425, 2500, 3298, 4250, 4850, 6596, 8245, 8500, 9700, 10625, 12125, 16490, 21250, 24250, 32980, 41225, 42500, 48500, 60625, 82450, 121250, 164900, 206125, 242500, 412250, 824500, 1030625, 2061250, 4122500]

約数ペア:

[(1, 4122500), (2, 2061250), (4, 1030625), (5, 824500), (10, 412250), (17, 242500), (20, 206125), (25, 164900), (34, 121250), (50, 82450), (68, 60625), (85, 48500), (97, 42500), (100, 41225), (125, 32980), (170, 24250), (194, 21250), (250, 16490), (340, 12125), (388, 10625), (425, 9700), (485, 8500), (500, 8245), (625, 6596), (850, 4850), (970, 4250), (1250, 3298), (1649, 2500), (1700, 2425), (1940, 2125)]