8223460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 19918080

約数和(自身を除く): 11694620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 389, 604, 755, 778, 1057, 1510, 1556, 1945, 2114, 2723, 3020, 3890, 4228, 5285, 5446, 7780, 10570, 10892, 13615, 21140, 27230, 54460, 58739, 117478, 234956, 293695, 411173, 587390, 822346, 1174780, 1644692, 2055865, 4111730, 8223460]

約数ペア:

[(1, 8223460), (2, 4111730), (4, 2055865), (5, 1644692), (7, 1174780), (10, 822346), (14, 587390), (20, 411173), (28, 293695), (35, 234956), (70, 117478), (140, 58739), (151, 54460), (302, 27230), (389, 21140), (604, 13615), (755, 10892), (778, 10570), (1057, 7780), (1510, 5446), (1556, 5285), (1945, 4228), (2114, 3890), (2723, 3020)]