247843280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:696

約数の個数: 80

約数和(自身を含む): 599760720

約数和(自身を除く): 351917440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 317, 337, 464, 580, 634, 674, 1160, 1268, 1348, 1585, 1685, 2320, 2536, 2696, 3170, 3370, 5072, 5392, 6340, 6740, 9193, 9773, 12680, 13480, 18386, 19546, 25360, 26960, 36772, 39092, 45965, 48865, 73544, 78184, 91930, 97730, 106829, 147088, 156368, 183860, 195460, 213658, 367720, 390920, 427316, 534145, 735440, 781840, 854632, 1068290, 1709264, 2136580, 3098041, 4273160, 6196082, 8546320, 12392164, 15490205, 24784328, 30980410, 49568656, 61960820, 123921640, 247843280]

約数ペア:

[(1, 247843280), (2, 123921640), (4, 61960820), (5, 49568656), (8, 30980410), (10, 24784328), (16, 15490205), (20, 12392164), (29, 8546320), (40, 6196082), (58, 4273160), (80, 3098041), (116, 2136580), (145, 1709264), (232, 1068290), (290, 854632), (317, 781840), (337, 735440), (464, 534145), (580, 427316), (634, 390920), (674, 367720), (1160, 213658), (1268, 195460), (1348, 183860), (1585, 156368), (1685, 147088), (2320, 106829), (2536, 97730), (2696, 91930), (3170, 78184), (3370, 73544), (5072, 48865), (5392, 45965), (6340, 39092), (6740, 36772), (9193, 26960), (9773, 25360), (12680, 19546), (13480, 18386)]