415040840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1621}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 965219760

約数和(自身を除く): 550178920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 173, 185, 296, 346, 370, 692, 740, 865, 1384, 1480, 1621, 1730, 3242, 3460, 6401, 6484, 6920, 8105, 12802, 12968, 16210, 25604, 32005, 32420, 51208, 59977, 64010, 64840, 119954, 128020, 239908, 256040, 280433, 299885, 479816, 560866, 599770, 1121732, 1199540, 1402165, 2243464, 2399080, 2804330, 5608660, 10376021, 11217320, 20752042, 41504084, 51880105, 83008168, 103760210, 207520420, 415040840]

約数ペア:

[(1, 415040840), (2, 207520420), (4, 103760210), (5, 83008168), (8, 51880105), (10, 41504084), (20, 20752042), (37, 11217320), (40, 10376021), (74, 5608660), (148, 2804330), (173, 2399080), (185, 2243464), (296, 1402165), (346, 1199540), (370, 1121732), (692, 599770), (740, 560866), (865, 479816), (1384, 299885), (1480, 280433), (1621, 256040), (1730, 239908), (3242, 128020), (3460, 119954), (6401, 64840), (6484, 64010), (6920, 59977), (8105, 51208), (12802, 32420), (12968, 32005), (16210, 25604)]