128634500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 298281984

約数和(自身を除く): 169647484

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 43, 50, 62, 86, 100, 124, 125, 155, 172, 193, 215, 250, 310, 386, 430, 500, 620, 772, 775, 860, 965, 1075, 1333, 1550, 1930, 2150, 2666, 3100, 3860, 3875, 4300, 4825, 5332, 5375, 5983, 6665, 7750, 8299, 9650, 10750, 11966, 13330, 15500, 16598, 19300, 21500, 23932, 24125, 26660, 29915, 33196, 33325, 41495, 48250, 59830, 66650, 82990, 96500, 119660, 133300, 149575, 165980, 166625, 207475, 257269, 299150, 333250, 414950, 514538, 598300, 666500, 747875, 829900, 1029076, 1037375, 1286345, 1495750, 2074750, 2572690, 2991500, 4149500, 5145380, 6431725, 12863450, 25726900, 32158625, 64317250, 128634500]

約数ペア:

[(1, 128634500), (2, 64317250), (4, 32158625), (5, 25726900), (10, 12863450), (20, 6431725), (25, 5145380), (31, 4149500), (43, 2991500), (50, 2572690), (62, 2074750), (86, 1495750), (100, 1286345), (124, 1037375), (125, 1029076), (155, 829900), (172, 747875), (193, 666500), (215, 598300), (250, 514538), (310, 414950), (386, 333250), (430, 299150), (500, 257269), (620, 207475), (772, 166625), (775, 165980), (860, 149575), (965, 133300), (1075, 119660), (1333, 96500), (1550, 82990), (1930, 66650), (2150, 59830), (2666, 48250), (3100, 41495), (3860, 33325), (3875, 33196), (4300, 29915), (4825, 26660), (5332, 24125), (5375, 23932), (5983, 21500), (6665, 19300), (7750, 16598), (8299, 15500), (9650, 13330), (10750, 11966)]