63640220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{9277}}^1$

素因数の和:9307

約数の個数: 48

約数和(自身を含む): 155870400

約数和(自身を除く): 92230180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 9277, 18554, 37108, 46385, 64939, 92770, 129878, 185540, 259756, 324695, 454573, 649390, 909146, 1298780, 1818292, 2272865, 3182011, 4545730, 6364022, 9091460, 12728044, 15910055, 31820110, 63640220]

約数ペア:

[(1, 63640220), (2, 31820110), (4, 15910055), (5, 12728044), (7, 9091460), (10, 6364022), (14, 4545730), (20, 3182011), (28, 2272865), (35, 1818292), (49, 1298780), (70, 909146), (98, 649390), (140, 454573), (196, 324695), (245, 259756), (343, 185540), (490, 129878), (686, 92770), (980, 64939), (1372, 46385), (1715, 37108), (3430, 18554), (6860, 9277)]