129819400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 321408000

約数和(自身を除く): 191588600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 127, 152, 190, 200, 254, 269, 380, 475, 508, 538, 635, 760, 950, 1016, 1076, 1270, 1345, 1900, 2152, 2413, 2540, 2690, 3175, 3800, 4826, 5080, 5111, 5380, 6350, 6725, 9652, 10222, 10760, 12065, 12700, 13450, 19304, 20444, 24130, 25400, 25555, 26900, 34163, 40888, 48260, 51110, 53800, 60325, 68326, 96520, 102220, 120650, 127775, 136652, 170815, 204440, 241300, 255550, 273304, 341630, 482600, 511100, 649097, 683260, 854075, 1022200, 1298194, 1366520, 1708150, 2596388, 3245485, 3416300, 5192776, 6490970, 6832600, 12981940, 16227425, 25963880, 32454850, 64909700, 129819400]

約数ペア:

[(1, 129819400), (2, 64909700), (4, 32454850), (5, 25963880), (8, 16227425), (10, 12981940), (19, 6832600), (20, 6490970), (25, 5192776), (38, 3416300), (40, 3245485), (50, 2596388), (76, 1708150), (95, 1366520), (100, 1298194), (127, 1022200), (152, 854075), (190, 683260), (200, 649097), (254, 511100), (269, 482600), (380, 341630), (475, 273304), (508, 255550), (538, 241300), (635, 204440), (760, 170815), (950, 136652), (1016, 127775), (1076, 120650), (1270, 102220), (1345, 96520), (1900, 68326), (2152, 60325), (2413, 53800), (2540, 51110), (2690, 48260), (3175, 40888), (3800, 34163), (4826, 26900), (5080, 25555), (5111, 25400), (5380, 24130), (6350, 20444), (6725, 19304), (9652, 13450), (10222, 12700), (10760, 12065)]