76780900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 133205660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 25, 28, 35, 38, 46, 50, 70, 76, 92, 95, 100, 115, 133, 140, 161, 175, 190, 230, 251, 266, 322, 350, 380, 437, 460, 475, 502, 532, 575, 644, 665, 700, 805, 874, 950, 1004, 1150, 1255, 1330, 1610, 1748, 1757, 1900, 2185, 2300, 2510, 2660, 3059, 3220, 3325, 3514, 4025, 4370, 4769, 5020, 5773, 6118, 6275, 6650, 7028, 8050, 8740, 8785, 9538, 10925, 11546, 12236, 12550, 13300, 15295, 16100, 17570, 19076, 21850, 23092, 23845, 25100, 28865, 30590, 33383, 35140, 40411, 43700, 43925, 47690, 57730, 61180, 66766, 76475, 80822, 87850, 95380, 109687, 115460, 119225, 133532, 144325, 152950, 161644, 166915, 175700, 202055, 219374, 238450, 288650, 305900, 333830, 404110, 438748, 476900, 548435, 577300, 667660, 767809, 808220, 834575, 1010275, 1096870, 1535618, 1669150, 2020550, 2193740, 2742175, 3071236, 3338300, 3839045, 4041100, 5484350, 7678090, 10968700, 15356180, 19195225, 38390450, 76780900]

約数ペア:

[(1, 76780900), (2, 38390450), (4, 19195225), (5, 15356180), (7, 10968700), (10, 7678090), (14, 5484350), (19, 4041100), (20, 3839045), (23, 3338300), (25, 3071236), (28, 2742175), (35, 2193740), (38, 2020550), (46, 1669150), (50, 1535618), (70, 1096870), (76, 1010275), (92, 834575), (95, 808220), (100, 767809), (115, 667660), (133, 577300), (140, 548435), (161, 476900), (175, 438748), (190, 404110), (230, 333830), (251, 305900), (266, 288650), (322, 238450), (350, 219374), (380, 202055), (437, 175700), (460, 166915), (475, 161644), (502, 152950), (532, 144325), (575, 133532), (644, 119225), (665, 115460), (700, 109687), (805, 95380), (874, 87850), (950, 80822), (1004, 76475), (1150, 66766), (1255, 61180), (1330, 57730), (1610, 47690), (1748, 43925), (1757, 43700), (1900, 40411), (2185, 35140), (2300, 33383), (2510, 30590), (2660, 28865), (3059, 25100), (3220, 23845), (3325, 23092), (3514, 21850), (4025, 19076), (4370, 17570), (4769, 16100), (5020, 15295), (5773, 13300), (6118, 12550), (6275, 12236), (6650, 11546), (7028, 10925), (8050, 9538), (8740, 8785)]