207744940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61463}}^1$

素因数の和:61498

約数の個数: 36

約数和(自身を含む): 472412304

約数和(自身を除く): 264667364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 61463, 122926, 245852, 307315, 614630, 799019, 1229260, 1598038, 3196076, 3995095, 7990190, 10387247, 15980380, 20774494, 41548988, 51936235, 103872470, 207744940]

約数ペア:

[(1, 207744940), (2, 103872470), (4, 51936235), (5, 41548988), (10, 20774494), (13, 15980380), (20, 10387247), (26, 7990190), (52, 3995095), (65, 3196076), (130, 1598038), (169, 1229260), (260, 799019), (338, 614630), (676, 307315), (845, 245852), (1690, 122926), (3380, 61463)]