131405900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 326645760

約数和(自身を除く): 195239860

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 31, 38, 46, 50, 62, 76, 92, 95, 97, 100, 115, 124, 155, 190, 194, 230, 310, 380, 388, 437, 460, 475, 485, 575, 589, 620, 713, 775, 874, 950, 970, 1150, 1178, 1426, 1550, 1748, 1843, 1900, 1940, 2185, 2231, 2300, 2356, 2425, 2852, 2945, 3007, 3100, 3565, 3686, 4370, 4462, 4850, 5890, 6014, 7130, 7372, 8740, 8924, 9215, 9700, 10925, 11155, 11780, 12028, 13547, 14260, 14725, 15035, 17825, 18430, 21850, 22310, 27094, 29450, 30070, 35650, 36860, 42389, 43700, 44620, 46075, 54188, 55775, 57133, 58900, 60140, 67735, 69161, 71300, 75175, 84778, 92150, 111550, 114266, 135470, 138322, 150350, 169556, 184300, 211945, 223100, 228532, 270940, 276644, 285665, 300700, 338675, 345805, 423890, 571330, 677350, 691610, 847780, 1059725, 1142660, 1314059, 1354700, 1383220, 1428325, 1729025, 2119450, 2628118, 2856650, 3458050, 4238900, 5256236, 5713300, 6570295, 6916100, 13140590, 26281180, 32851475, 65702950, 131405900]

約数ペア:

[(1, 131405900), (2, 65702950), (4, 32851475), (5, 26281180), (10, 13140590), (19, 6916100), (20, 6570295), (23, 5713300), (25, 5256236), (31, 4238900), (38, 3458050), (46, 2856650), (50, 2628118), (62, 2119450), (76, 1729025), (92, 1428325), (95, 1383220), (97, 1354700), (100, 1314059), (115, 1142660), (124, 1059725), (155, 847780), (190, 691610), (194, 677350), (230, 571330), (310, 423890), (380, 345805), (388, 338675), (437, 300700), (460, 285665), (475, 276644), (485, 270940), (575, 228532), (589, 223100), (620, 211945), (713, 184300), (775, 169556), (874, 150350), (950, 138322), (970, 135470), (1150, 114266), (1178, 111550), (1426, 92150), (1550, 84778), (1748, 75175), (1843, 71300), (1900, 69161), (1940, 67735), (2185, 60140), (2231, 58900), (2300, 57133), (2356, 55775), (2425, 54188), (2852, 46075), (2945, 44620), (3007, 43700), (3100, 42389), (3565, 36860), (3686, 35650), (4370, 30070), (4462, 29450), (4850, 27094), (5890, 22310), (6014, 21850), (7130, 18430), (7372, 17825), (8740, 15035), (8924, 14725), (9215, 14260), (9700, 13547), (10925, 12028), (11155, 11780)]