1517740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 3753792

約数和(自身を除く): 2236052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 293, 370, 518, 586, 740, 1036, 1172, 1295, 1465, 2051, 2590, 2930, 4102, 5180, 5860, 8204, 10255, 10841, 20510, 21682, 41020, 43364, 54205, 75887, 108410, 151774, 216820, 303548, 379435, 758870, 1517740]

約数ペア:

[(1, 1517740), (2, 758870), (4, 379435), (5, 303548), (7, 216820), (10, 151774), (14, 108410), (20, 75887), (28, 54205), (35, 43364), (37, 41020), (70, 21682), (74, 20510), (140, 10841), (148, 10255), (185, 8204), (259, 5860), (293, 5180), (370, 4102), (518, 2930), (586, 2590), (740, 2051), (1036, 1465), (1172, 1295)]