57187720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1601}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 138412800

約数和(自身を除く): 81225080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1601, 1786, 1880, 3202, 3572, 4465, 6404, 7144, 8005, 8930, 12808, 16010, 17860, 30419, 32020, 35720, 60838, 64040, 75247, 121676, 150494, 152095, 243352, 300988, 304190, 376235, 601976, 608380, 752470, 1216760, 1429693, 1504940, 2859386, 3009880, 5718772, 7148465, 11437544, 14296930, 28593860, 57187720]

約数ペア:

[(1, 57187720), (2, 28593860), (4, 14296930), (5, 11437544), (8, 7148465), (10, 5718772), (19, 3009880), (20, 2859386), (38, 1504940), (40, 1429693), (47, 1216760), (76, 752470), (94, 608380), (95, 601976), (152, 376235), (188, 304190), (190, 300988), (235, 243352), (376, 152095), (380, 150494), (470, 121676), (760, 75247), (893, 64040), (940, 60838), (1601, 35720), (1786, 32020), (1880, 30419), (3202, 17860), (3572, 16010), (4465, 12808), (6404, 8930), (7144, 8005)]