492573100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2143

約数の個数: 72

約数和(自身を含む): 1134302400

約数和(自身を除く): 641729300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 380, 475, 524, 655, 950, 1310, 1900, 1979, 2489, 2620, 3275, 3958, 4978, 6550, 7916, 9895, 9956, 12445, 13100, 19790, 24890, 37601, 39580, 49475, 49780, 62225, 75202, 98950, 124450, 150404, 188005, 197900, 248900, 259249, 376010, 518498, 752020, 940025, 1036996, 1296245, 1880050, 2592490, 3760100, 4925731, 5184980, 6481225, 9851462, 12962450, 19702924, 24628655, 25924900, 49257310, 98514620, 123143275, 246286550, 492573100]

約数ペア:

[(1, 492573100), (2, 246286550), (4, 123143275), (5, 98514620), (10, 49257310), (19, 25924900), (20, 24628655), (25, 19702924), (38, 12962450), (50, 9851462), (76, 6481225), (95, 5184980), (100, 4925731), (131, 3760100), (190, 2592490), (262, 1880050), (380, 1296245), (475, 1036996), (524, 940025), (655, 752020), (950, 518498), (1310, 376010), (1900, 259249), (1979, 248900), (2489, 197900), (2620, 188005), (3275, 150404), (3958, 124450), (4978, 98950), (6550, 75202), (7916, 62225), (9895, 49780), (9956, 49475), (12445, 39580), (13100, 37601), (19790, 24890)]