199070980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22777}}^1$

素因数の和:22828

約数の個数: 48

約数和(自身を含む): 459204480

約数和(自身を除く): 260133500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 22777, 45554, 91108, 113885, 227770, 432763, 455540, 523871, 865526, 1047742, 1731052, 2095484, 2163815, 2619355, 4327630, 5238710, 8655260, 9953549, 10477420, 19907098, 39814196, 49767745, 99535490, 199070980]

約数ペア:

[(1, 199070980), (2, 99535490), (4, 49767745), (5, 39814196), (10, 19907098), (19, 10477420), (20, 9953549), (23, 8655260), (38, 5238710), (46, 4327630), (76, 2619355), (92, 2163815), (95, 2095484), (115, 1731052), (190, 1047742), (230, 865526), (380, 523871), (437, 455540), (460, 432763), (874, 227770), (1748, 113885), (2185, 91108), (4370, 45554), (8740, 22777)]