157440620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 337544928

約数和(自身を除く): 180104308

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 293, 335, 401, 586, 670, 802, 1172, 1340, 1465, 1604, 2005, 2930, 4010, 5860, 8020, 19631, 26867, 39262, 53734, 78524, 98155, 107468, 117493, 134335, 196310, 234986, 268670, 392620, 469972, 537340, 587465, 1174930, 2349860, 7872031, 15744062, 31488124, 39360155, 78720310, 157440620]

約数ペア:

[(1, 157440620), (2, 78720310), (4, 39360155), (5, 31488124), (10, 15744062), (20, 7872031), (67, 2349860), (134, 1174930), (268, 587465), (293, 537340), (335, 469972), (401, 392620), (586, 268670), (670, 234986), (802, 196310), (1172, 134335), (1340, 117493), (1465, 107468), (1604, 98155), (2005, 78524), (2930, 53734), (4010, 39262), (5860, 26867), (8020, 19631)]