133380920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 307493280

約数和(自身を除く): 174112360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 157, 268, 314, 317, 335, 536, 628, 634, 670, 785, 1256, 1268, 1340, 1570, 1585, 2536, 2680, 3140, 3170, 6280, 6340, 10519, 12680, 21038, 21239, 42076, 42478, 49769, 52595, 84152, 84956, 99538, 105190, 106195, 169912, 199076, 210380, 212390, 248845, 398152, 420760, 424780, 497690, 849560, 995380, 1990760, 3334523, 6669046, 13338092, 16672615, 26676184, 33345230, 66690460, 133380920]

約数ペア:

[(1, 133380920), (2, 66690460), (4, 33345230), (5, 26676184), (8, 16672615), (10, 13338092), (20, 6669046), (40, 3334523), (67, 1990760), (134, 995380), (157, 849560), (268, 497690), (314, 424780), (317, 420760), (335, 398152), (536, 248845), (628, 212390), (634, 210380), (670, 199076), (785, 169912), (1256, 106195), (1268, 105190), (1340, 99538), (1570, 84956), (1585, 84152), (2536, 52595), (2680, 49769), (3140, 42478), (3170, 42076), (6280, 21239), (6340, 21038), (10519, 12680)]