399804930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1063}}^1$

素因数の和:1285

約数の個数: 128

約数和(自身を含む): 1225728000

約数和(自身を除く): 825923070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 199, 210, 270, 315, 378, 398, 597, 630, 945, 995, 1063, 1194, 1393, 1791, 1890, 1990, 2126, 2786, 2985, 3189, 3582, 4179, 5315, 5373, 5970, 6378, 6965, 7441, 8358, 8955, 9567, 10630, 10746, 12537, 13930, 14882, 15945, 17910, 19134, 20895, 22323, 25074, 26865, 28701, 31890, 37205, 37611, 41790, 44646, 47835, 53730, 57402, 62685, 66969, 74410, 75222, 95670, 111615, 125370, 133938, 143505, 188055, 200907, 211537, 223230, 287010, 334845, 376110, 401814, 423074, 634611, 669690, 1004535, 1057685, 1269222, 1480759, 1903833, 2009070, 2115370, 2961518, 3173055, 3807666, 4442277, 5711499, 6346110, 7403795, 8884554, 9519165, 11422998, 13326831, 14807590, 19038330, 22211385, 26653662, 28557495, 39980493, 44422770, 57114990, 66634155, 79960986, 133268310, 199902465, 399804930]

約数ペア:

[(1, 399804930), (2, 199902465), (3, 133268310), (5, 79960986), (6, 66634155), (7, 57114990), (9, 44422770), (10, 39980493), (14, 28557495), (15, 26653662), (18, 22211385), (21, 19038330), (27, 14807590), (30, 13326831), (35, 11422998), (42, 9519165), (45, 8884554), (54, 7403795), (63, 6346110), (70, 5711499), (90, 4442277), (105, 3807666), (126, 3173055), (135, 2961518), (189, 2115370), (199, 2009070), (210, 1903833), (270, 1480759), (315, 1269222), (378, 1057685), (398, 1004535), (597, 669690), (630, 634611), (945, 423074), (995, 401814), (1063, 376110), (1194, 334845), (1393, 287010), (1791, 223230), (1890, 211537), (1990, 200907), (2126, 188055), (2786, 143505), (2985, 133938), (3189, 125370), (3582, 111615), (4179, 95670), (5315, 75222), (5373, 74410), (5970, 66969), (6378, 62685), (6965, 57402), (7441, 53730), (8358, 47835), (8955, 44646), (9567, 41790), (10630, 37611), (10746, 37205), (12537, 31890), (13930, 28701), (14882, 26865), (15945, 25074), (17910, 22323), (19134, 20895)]