56440420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 122492160

約数和(自身を除く): 66051740

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 619, 940, 970, 1238, 1940, 2476, 3095, 4559, 6190, 9118, 12380, 18236, 22795, 29093, 45590, 58186, 60043, 91180, 116372, 120086, 145465, 240172, 290930, 300215, 581860, 600430, 1200860, 2822021, 5644042, 11288084, 14110105, 28220210, 56440420]

約数ペア:

[(1, 56440420), (2, 28220210), (4, 14110105), (5, 11288084), (10, 5644042), (20, 2822021), (47, 1200860), (94, 600430), (97, 581860), (188, 300215), (194, 290930), (235, 240172), (388, 145465), (470, 120086), (485, 116372), (619, 91180), (940, 60043), (970, 58186), (1238, 45590), (1940, 29093), (2476, 22795), (3095, 18236), (4559, 12380), (6190, 9118)]