7882220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9898900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 239, 340, 388, 478, 485, 956, 970, 1195, 1649, 1940, 2390, 3298, 4063, 4780, 6596, 8126, 8245, 16252, 16490, 20315, 23183, 32980, 40630, 46366, 81260, 92732, 115915, 231830, 394111, 463660, 788222, 1576444, 1970555, 3941110, 7882220]

約数ペア:

[(1, 7882220), (2, 3941110), (4, 1970555), (5, 1576444), (10, 788222), (17, 463660), (20, 394111), (34, 231830), (68, 115915), (85, 92732), (97, 81260), (170, 46366), (194, 40630), (239, 32980), (340, 23183), (388, 20315), (478, 16490), (485, 16252), (956, 8245), (970, 8126), (1195, 6596), (1649, 4780), (1940, 4063), (2390, 3298)]