149202280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90977}}^1$

素因数の和:91029

約数の個数: 32

約数和(自身を含む): 343896840

約数和(自身を除く): 194694560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 90977, 181954, 363908, 454885, 727816, 909770, 1819540, 3639080, 3730057, 7460114, 14920228, 18650285, 29840456, 37300570, 74601140, 149202280]

約数ペア:

[(1, 149202280), (2, 74601140), (4, 37300570), (5, 29840456), (8, 18650285), (10, 14920228), (20, 7460114), (40, 3730057), (41, 3639080), (82, 1819540), (164, 909770), (205, 727816), (328, 454885), (410, 363908), (820, 181954), (1640, 90977)]