311479420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{36473}}^1$

素因数の和:36550

約数の個数: 48

約数和(自身を含む): 759826368

約数和(自身を除く): 448346948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 36473, 72946, 145892, 182365, 255311, 364730, 510622, 729460, 1021244, 1276555, 2224853, 2553110, 4449706, 5106220, 8899412, 11124265, 15573971, 22248530, 31147942, 44497060, 62295884, 77869855, 155739710, 311479420]

約数ペア:

[(1, 311479420), (2, 155739710), (4, 77869855), (5, 62295884), (7, 44497060), (10, 31147942), (14, 22248530), (20, 15573971), (28, 11124265), (35, 8899412), (61, 5106220), (70, 4449706), (122, 2553110), (140, 2224853), (244, 1276555), (305, 1021244), (427, 729460), (610, 510622), (854, 364730), (1220, 255311), (1708, 182365), (2135, 145892), (4270, 72946), (8540, 36473)]