291291280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3957

約数の個数: 120

約数和(自身を含む): 829500480

約数和(自身を除く): 538209200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3911, 3920, 4655, 5320, 7448, 7822, 9310, 10640, 14896, 15644, 18620, 19555, 27377, 31288, 37240, 39110, 54754, 62576, 74309, 74480, 78220, 109508, 136885, 148618, 156440, 191639, 219016, 273770, 297236, 312880, 371545, 383278, 438032, 520163, 547540, 594472, 743090, 766556, 958195, 1040326, 1095080, 1188944, 1486180, 1533112, 1916390, 2080652, 2190160, 2600815, 2972360, 3066224, 3641141, 3832780, 4161304, 5201630, 5944720, 7282282, 7665560, 8322608, 10403260, 14564564, 15331120, 18205705, 20806520, 29129128, 36411410, 41613040, 58258256, 72822820, 145645640, 291291280]

約数ペア:

[(1, 291291280), (2, 145645640), (4, 72822820), (5, 58258256), (7, 41613040), (8, 36411410), (10, 29129128), (14, 20806520), (16, 18205705), (19, 15331120), (20, 14564564), (28, 10403260), (35, 8322608), (38, 7665560), (40, 7282282), (49, 5944720), (56, 5201630), (70, 4161304), (76, 3832780), (80, 3641141), (95, 3066224), (98, 2972360), (112, 2600815), (133, 2190160), (140, 2080652), (152, 1916390), (190, 1533112), (196, 1486180), (245, 1188944), (266, 1095080), (280, 1040326), (304, 958195), (380, 766556), (392, 743090), (490, 594472), (532, 547540), (560, 520163), (665, 438032), (760, 383278), (784, 371545), (931, 312880), (980, 297236), (1064, 273770), (1330, 219016), (1520, 191639), (1862, 156440), (1960, 148618), (2128, 136885), (2660, 109508), (3724, 78220), (3911, 74480), (3920, 74309), (4655, 62576), (5320, 54754), (7448, 39110), (7822, 37240), (9310, 31288), (10640, 27377), (14896, 19555), (15644, 18620)]