1338962680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{160163}}^1$

素因数の和:160204

約数の個数: 64

約数和(自身を含む): 3459542400

約数和(自身を除く): 2120579720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 160163, 320326, 640652, 800815, 1281304, 1601630, 1761793, 3043097, 3203260, 3523586, 6086194, 6406520, 7047172, 8808965, 12172388, 14094344, 15215485, 17617930, 24344776, 30430970, 33474067, 35235860, 60861940, 66948134, 70471720, 121723880, 133896268, 167370335, 267792536, 334740670, 669481340, 1338962680]

約数ペア:

[(1, 1338962680), (2, 669481340), (4, 334740670), (5, 267792536), (8, 167370335), (10, 133896268), (11, 121723880), (19, 70471720), (20, 66948134), (22, 60861940), (38, 35235860), (40, 33474067), (44, 30430970), (55, 24344776), (76, 17617930), (88, 15215485), (95, 14094344), (110, 12172388), (152, 8808965), (190, 7047172), (209, 6406520), (220, 6086194), (380, 3523586), (418, 3203260), (440, 3043097), (760, 1761793), (836, 1601630), (1045, 1281304), (1672, 800815), (2090, 640652), (4180, 320326), (8360, 160163)]