2912279920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{76963}}^1$

素因数の和:77030

約数の個数: 80

約数和(自身を含む): 7558480512

約数和(自身を除く): 4646200592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 18920, 37840, 76963, 153926, 307852, 384815, 615704, 769630, 846593, 1231408, 1539260, 1693186, 3078520, 3309409, 3386372, 4232965, 6157040, 6618818, 6772744, 8465930, 13237636, 13545488, 16547045, 16931860, 26475272, 33094090, 33863720, 36403499, 52950544, 66188180, 67727440, 72806998, 132376360, 145613996, 182017495, 264752720, 291227992, 364034990, 582455984, 728069980, 1456139960, 2912279920]

約数ペア:

[(1, 2912279920), (2, 1456139960), (4, 728069980), (5, 582455984), (8, 364034990), (10, 291227992), (11, 264752720), (16, 182017495), (20, 145613996), (22, 132376360), (40, 72806998), (43, 67727440), (44, 66188180), (55, 52950544), (80, 36403499), (86, 33863720), (88, 33094090), (110, 26475272), (172, 16931860), (176, 16547045), (215, 13545488), (220, 13237636), (344, 8465930), (430, 6772744), (440, 6618818), (473, 6157040), (688, 4232965), (860, 3386372), (880, 3309409), (946, 3078520), (1720, 1693186), (1892, 1539260), (2365, 1231408), (3440, 846593), (3784, 769630), (4730, 615704), (7568, 384815), (9460, 307852), (18920, 153926), (37840, 76963)]