1329024860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{12821}}^1$

素因数の和:12974

約数の個数: 48

約数和(自身を含む): 2869255872

約数和(自身を除く): 1540231012

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1460, 5183, 10366, 12821, 20732, 25642, 25915, 51284, 51830, 64105, 103660, 128210, 256420, 910291, 935933, 1820582, 1871866, 3641164, 3743732, 4551455, 4679665, 9102910, 9359330, 18205820, 18718660, 66451243, 132902486, 265804972, 332256215, 664512430, 1329024860]

約数ペア:

[(1, 1329024860), (2, 664512430), (4, 332256215), (5, 265804972), (10, 132902486), (20, 66451243), (71, 18718660), (73, 18205820), (142, 9359330), (146, 9102910), (284, 4679665), (292, 4551455), (355, 3743732), (365, 3641164), (710, 1871866), (730, 1820582), (1420, 935933), (1460, 910291), (5183, 256420), (10366, 128210), (12821, 103660), (20732, 64105), (25642, 51830), (25915, 51284)]