2019283280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{2887}}^1$

素因数の和:4156

約数の個数: 80

約数和(自身を含む): 5371680000

約数和(自身を除く): 3352396720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1249, 2498, 2887, 4996, 5774, 6245, 8743, 9992, 11548, 12490, 14435, 17486, 19984, 20209, 23096, 24980, 28870, 34972, 40418, 43715, 46192, 49960, 57740, 69944, 80836, 87430, 99920, 101045, 115480, 139888, 161672, 174860, 202090, 230960, 323344, 349720, 404180, 699440, 808360, 1616720, 3605863, 7211726, 14423452, 18029315, 25241041, 28846904, 36058630, 50482082, 57693808, 72117260, 100964164, 126205205, 144234520, 201928328, 252410410, 288469040, 403856656, 504820820, 1009641640, 2019283280]

約数ペア:

[(1, 2019283280), (2, 1009641640), (4, 504820820), (5, 403856656), (7, 288469040), (8, 252410410), (10, 201928328), (14, 144234520), (16, 126205205), (20, 100964164), (28, 72117260), (35, 57693808), (40, 50482082), (56, 36058630), (70, 28846904), (80, 25241041), (112, 18029315), (140, 14423452), (280, 7211726), (560, 3605863), (1249, 1616720), (2498, 808360), (2887, 699440), (4996, 404180), (5774, 349720), (6245, 323344), (8743, 230960), (9992, 202090), (11548, 174860), (12490, 161672), (14435, 139888), (17486, 115480), (19984, 101045), (20209, 99920), (23096, 87430), (24980, 80836), (28870, 69944), (34972, 57740), (40418, 49960), (43715, 46192)]