814984720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{4153}}^1$

素因数の和:4400

約数の個数: 80

約数和(自身を含む): 2076867072

約数和(自身を除く): 1261882352

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1784, 2230, 2453, 3568, 4153, 4460, 4906, 8306, 8920, 9812, 12265, 16612, 17840, 19624, 20765, 24530, 33224, 39248, 41530, 45683, 49060, 66448, 83060, 91366, 98120, 166120, 182732, 196240, 228415, 332240, 365464, 456830, 730928, 913660, 926119, 1827320, 1852238, 3654640, 3704476, 4630595, 7408952, 9261190, 10187309, 14817904, 18522380, 20374618, 37044760, 40749236, 50936545, 74089520, 81498472, 101873090, 162996944, 203746180, 407492360, 814984720]

約数ペア:

[(1, 814984720), (2, 407492360), (4, 203746180), (5, 162996944), (8, 101873090), (10, 81498472), (11, 74089520), (16, 50936545), (20, 40749236), (22, 37044760), (40, 20374618), (44, 18522380), (55, 14817904), (80, 10187309), (88, 9261190), (110, 7408952), (176, 4630595), (220, 3704476), (223, 3654640), (440, 1852238), (446, 1827320), (880, 926119), (892, 913660), (1115, 730928), (1784, 456830), (2230, 365464), (2453, 332240), (3568, 228415), (4153, 196240), (4460, 182732), (4906, 166120), (8306, 98120), (8920, 91366), (9812, 83060), (12265, 66448), (16612, 49060), (17840, 45683), (19624, 41530), (20765, 39248), (24530, 33224)]