2011780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 4593456

約数和(自身を除く): 2581676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 97, 122, 170, 194, 244, 305, 340, 388, 485, 610, 970, 1037, 1220, 1649, 1940, 2074, 3298, 4148, 5185, 5917, 6596, 8245, 10370, 11834, 16490, 20740, 23668, 29585, 32980, 59170, 100589, 118340, 201178, 402356, 502945, 1005890, 2011780]

約数ペア:

[(1, 2011780), (2, 1005890), (4, 502945), (5, 402356), (10, 201178), (17, 118340), (20, 100589), (34, 59170), (61, 32980), (68, 29585), (85, 23668), (97, 20740), (122, 16490), (170, 11834), (194, 10370), (244, 8245), (305, 6596), (340, 5917), (388, 5185), (485, 4148), (610, 3298), (970, 2074), (1037, 1940), (1220, 1649)]