40042772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 90091008

約数和(自身を除く): 50048236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 121, 154, 212, 223, 242, 308, 371, 446, 484, 583, 742, 847, 892, 1166, 1484, 1561, 1694, 2332, 2453, 3122, 3388, 4081, 4906, 6244, 6413, 8162, 9812, 11819, 12826, 16324, 17171, 23638, 25652, 26983, 34342, 44891, 47276, 53966, 68684, 82733, 89782, 107932, 130009, 165466, 179564, 188881, 260018, 330932, 377762, 520036, 755524, 910063, 1430099, 1820126, 2860198, 3640252, 5720396, 10010693, 20021386, 40042772]

約数ペア:

[(1, 40042772), (2, 20021386), (4, 10010693), (7, 5720396), (11, 3640252), (14, 2860198), (22, 1820126), (28, 1430099), (44, 910063), (53, 755524), (77, 520036), (106, 377762), (121, 330932), (154, 260018), (212, 188881), (223, 179564), (242, 165466), (308, 130009), (371, 107932), (446, 89782), (484, 82733), (583, 68684), (742, 53966), (847, 47276), (892, 44891), (1166, 34342), (1484, 26983), (1561, 25652), (1694, 23638), (2332, 17171), (2453, 16324), (3122, 12826), (3388, 11819), (4081, 9812), (4906, 8162), (6244, 6413)]