1747940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 4000752

約数和(自身を除く): 2252812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 97, 106, 170, 194, 212, 265, 340, 388, 485, 530, 901, 970, 1060, 1649, 1802, 1940, 3298, 3604, 4505, 5141, 6596, 8245, 9010, 10282, 16490, 18020, 20564, 25705, 32980, 51410, 87397, 102820, 174794, 349588, 436985, 873970, 1747940]

約数ペア:

[(1, 1747940), (2, 873970), (4, 436985), (5, 349588), (10, 174794), (17, 102820), (20, 87397), (34, 51410), (53, 32980), (68, 25705), (85, 20564), (97, 18020), (106, 16490), (170, 10282), (194, 9010), (212, 8245), (265, 6596), (340, 5141), (388, 4505), (485, 3604), (530, 3298), (901, 1940), (970, 1802), (1060, 1649)]