138588760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203807}}^1$

素因数の和:203835

約数の個数: 32

約数和(自身を含む): 330168960

約数和(自身を除く): 191580200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 203807, 407614, 815228, 1019035, 1630456, 2038070, 3464719, 4076140, 6929438, 8152280, 13858876, 17323595, 27717752, 34647190, 69294380, 138588760]

約数ペア:

[(1, 138588760), (2, 69294380), (4, 34647190), (5, 27717752), (8, 17323595), (10, 13858876), (17, 8152280), (20, 6929438), (34, 4076140), (40, 3464719), (68, 2038070), (85, 1630456), (136, 1019035), (170, 815228), (340, 407614), (680, 203807)]