388676680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13477}}^1$

素因数の和:13598

約数の個数: 64

約数和(自身を含む): 1009232640

約数和(自身を除く): 620555960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 5768, 7210, 13477, 14420, 26954, 28840, 53908, 67385, 94339, 107816, 134770, 188678, 269540, 377356, 471695, 539080, 754712, 943390, 1388131, 1886780, 2776262, 3773560, 5552524, 6940655, 9716917, 11105048, 13881310, 19433834, 27762620, 38867668, 48584585, 55525240, 77735336, 97169170, 194338340, 388676680]

約数ペア:

[(1, 388676680), (2, 194338340), (4, 97169170), (5, 77735336), (7, 55525240), (8, 48584585), (10, 38867668), (14, 27762620), (20, 19433834), (28, 13881310), (35, 11105048), (40, 9716917), (56, 6940655), (70, 5552524), (103, 3773560), (140, 2776262), (206, 1886780), (280, 1388131), (412, 943390), (515, 754712), (721, 539080), (824, 471695), (1030, 377356), (1442, 269540), (2060, 188678), (2884, 134770), (3605, 107816), (4120, 94339), (5768, 67385), (7210, 53908), (13477, 28840), (14420, 26954)]