488049680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 1158936240

約数和(自身を除く): 670886560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 109, 194, 218, 388, 436, 485, 545, 577, 776, 872, 970, 1090, 1154, 1552, 1744, 1940, 2180, 2308, 2885, 3880, 4360, 4616, 5770, 7760, 8720, 9232, 10573, 11540, 21146, 23080, 42292, 46160, 52865, 55969, 62893, 84584, 105730, 111938, 125786, 169168, 211460, 223876, 251572, 279845, 314465, 422920, 447752, 503144, 559690, 628930, 845840, 895504, 1006288, 1119380, 1257860, 2238760, 2515720, 4477520, 5031440, 6100621, 12201242, 24402484, 30503105, 48804968, 61006210, 97609936, 122012420, 244024840, 488049680]

約数ペア:

[(1, 488049680), (2, 244024840), (4, 122012420), (5, 97609936), (8, 61006210), (10, 48804968), (16, 30503105), (20, 24402484), (40, 12201242), (80, 6100621), (97, 5031440), (109, 4477520), (194, 2515720), (218, 2238760), (388, 1257860), (436, 1119380), (485, 1006288), (545, 895504), (577, 845840), (776, 628930), (872, 559690), (970, 503144), (1090, 447752), (1154, 422920), (1552, 314465), (1744, 279845), (1940, 251572), (2180, 223876), (2308, 211460), (2885, 169168), (3880, 125786), (4360, 111938), (4616, 105730), (5770, 84584), (7760, 62893), (8720, 55969), (9232, 52865), (10573, 46160), (11540, 42292), (21146, 23080)]