291266140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 96

約数和(自身を含む): 701084160

約数和(自身を除く): 409818020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 71, 110, 116, 142, 145, 220, 284, 290, 319, 355, 580, 638, 643, 710, 781, 1276, 1286, 1420, 1562, 1595, 2059, 2572, 3124, 3190, 3215, 3905, 4118, 6380, 6430, 7073, 7810, 8236, 10295, 12860, 14146, 15620, 18647, 20590, 22649, 28292, 35365, 37294, 41180, 45298, 45653, 70730, 74588, 90596, 91306, 93235, 113245, 141460, 182612, 186470, 205117, 226490, 228265, 372940, 410234, 452980, 456530, 502183, 820468, 913060, 1004366, 1025585, 1323937, 2008732, 2051170, 2510915, 2647874, 4102340, 5021830, 5295748, 6619685, 10043660, 13239370, 14563307, 26478740, 29126614, 58253228, 72816535, 145633070, 291266140]

約数ペア:

[(1, 291266140), (2, 145633070), (4, 72816535), (5, 58253228), (10, 29126614), (11, 26478740), (20, 14563307), (22, 13239370), (29, 10043660), (44, 6619685), (55, 5295748), (58, 5021830), (71, 4102340), (110, 2647874), (116, 2510915), (142, 2051170), (145, 2008732), (220, 1323937), (284, 1025585), (290, 1004366), (319, 913060), (355, 820468), (580, 502183), (638, 456530), (643, 452980), (710, 410234), (781, 372940), (1276, 228265), (1286, 226490), (1420, 205117), (1562, 186470), (1595, 182612), (2059, 141460), (2572, 113245), (3124, 93235), (3190, 91306), (3215, 90596), (3905, 74588), (4118, 70730), (6380, 45653), (6430, 45298), (7073, 41180), (7810, 37294), (8236, 35365), (10295, 28292), (12860, 22649), (14146, 20590), (15620, 18647)]