2007900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 6634992

約数和(自身を除く): 4627092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 45, 46, 50, 60, 69, 75, 90, 92, 97, 100, 115, 138, 150, 180, 194, 207, 225, 230, 276, 291, 300, 345, 388, 414, 450, 460, 485, 575, 582, 690, 828, 873, 900, 970, 1035, 1150, 1164, 1380, 1455, 1725, 1746, 1940, 2070, 2231, 2300, 2425, 2910, 3450, 3492, 4140, 4365, 4462, 4850, 5175, 5820, 6693, 6900, 7275, 8730, 8924, 9700, 10350, 11155, 13386, 14550, 17460, 20079, 20700, 21825, 22310, 26772, 29100, 33465, 40158, 43650, 44620, 55775, 66930, 80316, 87300, 100395, 111550, 133860, 167325, 200790, 223100, 334650, 401580, 501975, 669300, 1003950, 2007900]

約数ペア:

[(1, 2007900), (2, 1003950), (3, 669300), (4, 501975), (5, 401580), (6, 334650), (9, 223100), (10, 200790), (12, 167325), (15, 133860), (18, 111550), (20, 100395), (23, 87300), (25, 80316), (30, 66930), (36, 55775), (45, 44620), (46, 43650), (50, 40158), (60, 33465), (69, 29100), (75, 26772), (90, 22310), (92, 21825), (97, 20700), (100, 20079), (115, 17460), (138, 14550), (150, 13386), (180, 11155), (194, 10350), (207, 9700), (225, 8924), (230, 8730), (276, 7275), (291, 6900), (300, 6693), (345, 5820), (388, 5175), (414, 4850), (450, 4462), (460, 4365), (485, 4140), (575, 3492), (582, 3450), (690, 2910), (828, 2425), (873, 2300), (900, 2231), (970, 2070), (1035, 1940), (1150, 1746), (1164, 1725), (1380, 1455)]