191137720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5351}}^1$

素因数の和:5428

約数の個数: 64

約数和(自身を含む): 462412800

約数和(自身を除く): 271275080

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, 1786, 1880, 3572, 4465, 5351, 7144, 8930, 10702, 17860, 21404, 26755, 35720, 42808, 53510, 101669, 107020, 203338, 214040, 251497, 406676, 502994, 508345, 813352, 1005988, 1016690, 1257485, 2011976, 2033380, 2514970, 4066760, 4778443, 5029940, 9556886, 10059880, 19113772, 23892215, 38227544, 47784430, 95568860, 191137720]

約数ペア:

[(1, 191137720), (2, 95568860), (4, 47784430), (5, 38227544), (8, 23892215), (10, 19113772), (19, 10059880), (20, 9556886), (38, 5029940), (40, 4778443), (47, 4066760), (76, 2514970), (94, 2033380), (95, 2011976), (152, 1257485), (188, 1016690), (190, 1005988), (235, 813352), (376, 508345), (380, 502994), (470, 406676), (760, 251497), (893, 214040), (940, 203338), (1786, 107020), (1880, 101669), (3572, 53510), (4465, 42808), (5351, 35720), (7144, 26755), (8930, 21404), (10702, 17860)]