99280120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 230519520

約数和(自身を除く): 131239400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 197, 215, 293, 344, 394, 430, 586, 788, 860, 985, 1172, 1465, 1576, 1720, 1970, 2344, 2930, 3940, 5860, 7880, 8471, 11720, 12599, 16942, 25198, 33884, 42355, 50396, 57721, 62995, 67768, 84710, 100792, 115442, 125990, 169420, 230884, 251980, 288605, 338840, 461768, 503960, 577210, 1154420, 2308840, 2482003, 4964006, 9928012, 12410015, 19856024, 24820030, 49640060, 99280120]

約数ペア:

[(1, 99280120), (2, 49640060), (4, 24820030), (5, 19856024), (8, 12410015), (10, 9928012), (20, 4964006), (40, 2482003), (43, 2308840), (86, 1154420), (172, 577210), (197, 503960), (215, 461768), (293, 338840), (344, 288605), (394, 251980), (430, 230884), (586, 169420), (788, 125990), (860, 115442), (985, 100792), (1172, 84710), (1465, 67768), (1576, 62995), (1720, 57721), (1970, 50396), (2344, 42355), (2930, 33884), (3940, 25198), (5860, 16942), (7880, 12599), (8471, 11720)]