179771990

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{2767}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 331827840

約数和(自身を除く): 152055850

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 890, 2767, 5534, 6497, 12994, 13835, 27670, 32485, 64970, 201991, 246263, 403982, 492526, 1009955, 1231315, 2019910, 2462630, 17977199, 35954398, 89885995, 179771990]

約数ペア:

[(1, 179771990), (2, 89885995), (5, 35954398), (10, 17977199), (73, 2462630), (89, 2019910), (146, 1231315), (178, 1009955), (365, 492526), (445, 403982), (730, 246263), (890, 201991), (2767, 64970), (5534, 32485), (6497, 27670), (12994, 13835)]