81432470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91298410

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 97, 134, 179, 194, 335, 358, 469, 485, 670, 679, 895, 938, 970, 1253, 1358, 1790, 2345, 2506, 3395, 4690, 6265, 6499, 6790, 11993, 12530, 12998, 17363, 23986, 32495, 34726, 45493, 59965, 64990, 83951, 86815, 90986, 119930, 121541, 167902, 173630, 227465, 243082, 419755, 454930, 607705, 839510, 1163321, 1215410, 2326642, 5816605, 8143247, 11633210, 16286494, 40716235, 81432470]

約数ペア:

[(1, 81432470), (2, 40716235), (5, 16286494), (7, 11633210), (10, 8143247), (14, 5816605), (35, 2326642), (67, 1215410), (70, 1163321), (97, 839510), (134, 607705), (179, 454930), (194, 419755), (335, 243082), (358, 227465), (469, 173630), (485, 167902), (670, 121541), (679, 119930), (895, 90986), (938, 86815), (970, 83951), (1253, 64990), (1358, 59965), (1790, 45493), (2345, 34726), (2506, 32495), (3395, 23986), (4690, 17363), (6265, 12998), (6499, 12530), (6790, 11993)]