123938780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3527}}^1$

素因数の和:3794

約数の個数: 48

約数和(自身を含む): 298722816

約数和(自身を除く): 174784036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 3527, 5020, 7028, 7054, 8785, 14108, 17570, 17635, 24689, 35140, 35270, 49378, 70540, 98756, 123445, 246890, 493780, 885277, 1770554, 3541108, 4426385, 6196939, 8852770, 12393878, 17705540, 24787756, 30984695, 61969390, 123938780]

約数ペア:

[(1, 123938780), (2, 61969390), (4, 30984695), (5, 24787756), (7, 17705540), (10, 12393878), (14, 8852770), (20, 6196939), (28, 4426385), (35, 3541108), (70, 1770554), (140, 885277), (251, 493780), (502, 246890), (1004, 123445), (1255, 98756), (1757, 70540), (2510, 49378), (3514, 35270), (3527, 35140), (5020, 24689), (7028, 17635), (7054, 17570), (8785, 14108)]