1257715900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 3279790080

約数和(自身を除く): 2022074180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 191, 230, 322, 350, 382, 409, 460, 575, 644, 700, 764, 805, 818, 955, 1150, 1337, 1610, 1636, 1910, 2045, 2300, 2674, 2863, 3220, 3820, 4025, 4090, 4393, 4775, 5348, 5726, 6685, 8050, 8180, 8786, 9407, 9550, 10225, 11452, 13370, 14315, 16100, 17572, 18814, 19100, 20450, 21965, 26740, 28630, 30751, 33425, 37628, 40900, 43930, 47035, 57260, 61502, 65849, 66850, 71575, 78119, 87860, 94070, 109825, 123004, 131698, 133700, 143150, 153755, 156238, 188140, 219650, 235175, 263396, 286300, 307510, 312476, 329245, 390595, 439300, 470350, 546833, 615020, 658490, 768775, 781190, 940700, 1093666, 1316980, 1537550, 1562380, 1646225, 1796737, 1952975, 2187332, 2734165, 3075100, 3292450, 3593474, 3905950, 5468330, 6584900, 7186948, 7811900, 8983685, 10936660, 12577159, 13670825, 17967370, 25154318, 27341650, 35934740, 44918425, 50308636, 54683300, 62885795, 89836850, 125771590, 179673700, 251543180, 314428975, 628857950, 1257715900]

約数ペア:

[(1, 1257715900), (2, 628857950), (4, 314428975), (5, 251543180), (7, 179673700), (10, 125771590), (14, 89836850), (20, 62885795), (23, 54683300), (25, 50308636), (28, 44918425), (35, 35934740), (46, 27341650), (50, 25154318), (70, 17967370), (92, 13670825), (100, 12577159), (115, 10936660), (140, 8983685), (161, 7811900), (175, 7186948), (191, 6584900), (230, 5468330), (322, 3905950), (350, 3593474), (382, 3292450), (409, 3075100), (460, 2734165), (575, 2187332), (644, 1952975), (700, 1796737), (764, 1646225), (805, 1562380), (818, 1537550), (955, 1316980), (1150, 1093666), (1337, 940700), (1610, 781190), (1636, 768775), (1910, 658490), (2045, 615020), (2300, 546833), (2674, 470350), (2863, 439300), (3220, 390595), (3820, 329245), (4025, 312476), (4090, 307510), (4393, 286300), (4775, 263396), (5348, 235175), (5726, 219650), (6685, 188140), (8050, 156238), (8180, 153755), (8786, 143150), (9407, 133700), (9550, 131698), (10225, 123004), (11452, 109825), (13370, 94070), (14315, 87860), (16100, 78119), (17572, 71575), (18814, 66850), (19100, 65849), (20450, 61502), (21965, 57260), (26740, 47035), (28630, 43930), (30751, 40900), (33425, 37628)]