78533620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{733}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 180528768

約数和(自身を除く): 101995148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 733, 974, 1466, 1948, 2435, 2932, 3665, 4870, 5357, 7330, 8063, 9740, 10714, 14660, 16126, 21428, 26785, 32252, 40315, 53570, 80630, 107140, 161260, 356971, 713942, 1427884, 1784855, 3569710, 3926681, 7139420, 7853362, 15706724, 19633405, 39266810, 78533620]

約数ペア:

[(1, 78533620), (2, 39266810), (4, 19633405), (5, 15706724), (10, 7853362), (11, 7139420), (20, 3926681), (22, 3569710), (44, 1784855), (55, 1427884), (110, 713942), (220, 356971), (487, 161260), (733, 107140), (974, 80630), (1466, 53570), (1948, 40315), (2435, 32252), (2932, 26785), (3665, 21428), (4870, 16126), (5357, 14660), (7330, 10714), (8063, 9740)]