4381540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 9805824

約数和(自身を除く): 5424284

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 191, 310, 370, 382, 620, 740, 764, 955, 1147, 1910, 2294, 3820, 4588, 5735, 5921, 7067, 11470, 11842, 14134, 22940, 23684, 28268, 29605, 35335, 59210, 70670, 118420, 141340, 219077, 438154, 876308, 1095385, 2190770, 4381540]

約数ペア:

[(1, 4381540), (2, 2190770), (4, 1095385), (5, 876308), (10, 438154), (20, 219077), (31, 141340), (37, 118420), (62, 70670), (74, 59210), (124, 35335), (148, 29605), (155, 28268), (185, 23684), (191, 22940), (310, 14134), (370, 11842), (382, 11470), (620, 7067), (740, 5921), (764, 5735), (955, 4588), (1147, 3820), (1910, 2294)]