248789480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1733}}^1$

素因数の和:1878

約数の個数: 64

約数和(自身を含む): 581167440

約数和(自身を除く): 332377960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 485, 740, 776, 970, 1480, 1733, 1940, 3466, 3589, 3880, 6932, 7178, 8665, 13864, 14356, 17330, 17945, 28712, 34660, 35890, 64121, 69320, 71780, 128242, 143560, 168101, 256484, 320605, 336202, 512968, 641210, 672404, 840505, 1282420, 1344808, 1681010, 2564840, 3362020, 6219737, 6724040, 12439474, 24878948, 31098685, 49757896, 62197370, 124394740, 248789480]

約数ペア:

[(1, 248789480), (2, 124394740), (4, 62197370), (5, 49757896), (8, 31098685), (10, 24878948), (20, 12439474), (37, 6724040), (40, 6219737), (74, 3362020), (97, 2564840), (148, 1681010), (185, 1344808), (194, 1282420), (296, 840505), (370, 672404), (388, 641210), (485, 512968), (740, 336202), (776, 320605), (970, 256484), (1480, 168101), (1733, 143560), (1940, 128242), (3466, 71780), (3589, 69320), (3880, 64121), (6932, 35890), (7178, 34660), (8665, 28712), (13864, 17945), (14356, 17330)]