1251460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1277}}^1$

素因数の和:1300

約数の個数: 36

約数和(自身を含む): 3059532

約数和(自身を除く): 1808072

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1277, 2554, 5108, 6385, 8939, 12770, 17878, 25540, 35756, 44695, 62573, 89390, 125146, 178780, 250292, 312865, 625730, 1251460]

約数ペア:

[(1, 1251460), (2, 625730), (4, 312865), (5, 250292), (7, 178780), (10, 125146), (14, 89390), (20, 62573), (28, 44695), (35, 35756), (49, 25540), (70, 17878), (98, 12770), (140, 8939), (196, 6385), (245, 5108), (490, 2554), (980, 1277)]