118200920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 272795040

約数和(自身を除く): 154594120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 193, 244, 251, 305, 386, 488, 502, 610, 772, 965, 1004, 1220, 1255, 1544, 1930, 2008, 2440, 2510, 3860, 5020, 7720, 10040, 11773, 15311, 23546, 30622, 47092, 48443, 58865, 61244, 76555, 94184, 96886, 117730, 122488, 153110, 193772, 235460, 242215, 306220, 387544, 470920, 484430, 612440, 968860, 1937720, 2955023, 5910046, 11820092, 14775115, 23640184, 29550230, 59100460, 118200920]

約数ペア:

[(1, 118200920), (2, 59100460), (4, 29550230), (5, 23640184), (8, 14775115), (10, 11820092), (20, 5910046), (40, 2955023), (61, 1937720), (122, 968860), (193, 612440), (244, 484430), (251, 470920), (305, 387544), (386, 306220), (488, 242215), (502, 235460), (610, 193772), (772, 153110), (965, 122488), (1004, 117730), (1220, 96886), (1255, 94184), (1544, 76555), (1930, 61244), (2008, 58865), (2440, 48443), (2510, 47092), (3860, 30622), (5020, 23546), (7720, 15311), (10040, 11773)]