133498840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 308325600

約数和(自身を除く): 174826760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 109, 134, 218, 268, 335, 436, 457, 536, 545, 670, 872, 914, 1090, 1340, 1828, 2180, 2285, 2680, 3656, 4360, 4570, 7303, 9140, 14606, 18280, 29212, 30619, 36515, 49813, 58424, 61238, 73030, 99626, 122476, 146060, 153095, 199252, 244952, 249065, 292120, 306190, 398504, 498130, 612380, 996260, 1224760, 1992520, 3337471, 6674942, 13349884, 16687355, 26699768, 33374710, 66749420, 133498840]

約数ペア:

[(1, 133498840), (2, 66749420), (4, 33374710), (5, 26699768), (8, 16687355), (10, 13349884), (20, 6674942), (40, 3337471), (67, 1992520), (109, 1224760), (134, 996260), (218, 612380), (268, 498130), (335, 398504), (436, 306190), (457, 292120), (536, 249065), (545, 244952), (670, 199252), (872, 153095), (914, 146060), (1090, 122476), (1340, 99626), (1828, 73030), (2180, 61238), (2285, 58424), (2680, 49813), (3656, 36515), (4360, 30619), (4570, 29212), (7303, 18280), (9140, 14606)]