78869380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{207551}}^1$

素因数の和:207579

約数の個数: 24

約数和(自身を含む): 174343680

約数和(自身を除く): 95474300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 207551, 415102, 830204, 1037755, 2075510, 3943469, 4151020, 7886938, 15773876, 19717345, 39434690, 78869380]

約数ペア:

[(1, 78869380), (2, 39434690), (4, 19717345), (5, 15773876), (10, 7886938), (19, 4151020), (20, 3943469), (38, 2075510), (76, 1037755), (95, 830204), (190, 415102), (380, 207551)]