198328480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 559247976

約数和(自身を除く): 360919496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 617, 656, 784, 820, 980, 1120, 1148, 1234, 1312, 1435, 1568, 1640, 1960, 2009, 2296, 2468, 2870, 3085, 3280, 3920, 4018, 4319, 4592, 4936, 5740, 6170, 6560, 7840, 8036, 8638, 9184, 9872, 10045, 11480, 12340, 16072, 17276, 19744, 20090, 21595, 22960, 24680, 25297, 30233, 32144, 34552, 40180, 43190, 45920, 49360, 50594, 60466, 64288, 69104, 80360, 86380, 98720, 101188, 120932, 126485, 138208, 151165, 160720, 172760, 177079, 202376, 241864, 252970, 302330, 321440, 345520, 354158, 404752, 483728, 505940, 604660, 691040, 708316, 809504, 885395, 967456, 1011880, 1209320, 1239553, 1416632, 1770790, 2023760, 2418640, 2479106, 2833264, 3541580, 4047520, 4837280, 4958212, 5666528, 6197765, 7083160, 9916424, 12395530, 14166320, 19832848, 24791060, 28332640, 39665696, 49582120, 99164240, 198328480]

約数ペア:

[(1, 198328480), (2, 99164240), (4, 49582120), (5, 39665696), (7, 28332640), (8, 24791060), (10, 19832848), (14, 14166320), (16, 12395530), (20, 9916424), (28, 7083160), (32, 6197765), (35, 5666528), (40, 4958212), (41, 4837280), (49, 4047520), (56, 3541580), (70, 2833264), (80, 2479106), (82, 2418640), (98, 2023760), (112, 1770790), (140, 1416632), (160, 1239553), (164, 1209320), (196, 1011880), (205, 967456), (224, 885395), (245, 809504), (280, 708316), (287, 691040), (328, 604660), (392, 505940), (410, 483728), (490, 404752), (560, 354158), (574, 345520), (617, 321440), (656, 302330), (784, 252970), (820, 241864), (980, 202376), (1120, 177079), (1148, 172760), (1234, 160720), (1312, 151165), (1435, 138208), (1568, 126485), (1640, 120932), (1960, 101188), (2009, 98720), (2296, 86380), (2468, 80360), (2870, 69104), (3085, 64288), (3280, 60466), (3920, 50594), (4018, 49360), (4319, 45920), (4592, 43190), (4936, 40180), (5740, 34552), (6170, 32144), (6560, 30233), (7840, 25297), (8036, 24680), (8638, 22960), (9184, 21595), (9872, 20090), (10045, 19744), (11480, 17276), (12340, 16072)]