207404380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2029}}^1$

素因数の和:2326

約数の個数: 48

約数和(自身を含む): 460404000

約数和(自身を除く): 252999620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 1076, 1345, 2029, 2690, 4058, 5111, 5380, 8116, 10145, 10222, 20290, 20444, 25555, 38551, 40580, 51110, 77102, 102220, 154204, 192755, 385510, 545801, 771020, 1091602, 2183204, 2729005, 5458010, 10370219, 10916020, 20740438, 41480876, 51851095, 103702190, 207404380]

約数ペア:

[(1, 207404380), (2, 103702190), (4, 51851095), (5, 41480876), (10, 20740438), (19, 10916020), (20, 10370219), (38, 5458010), (76, 2729005), (95, 2183204), (190, 1091602), (269, 771020), (380, 545801), (538, 385510), (1076, 192755), (1345, 154204), (2029, 102220), (2690, 77102), (4058, 51110), (5111, 40580), (5380, 38551), (8116, 25555), (10145, 20444), (10222, 20290)]