780661808

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{2029}}^1$

素因数の和:2349

約数の個数: 40

約数和(自身を含む): 1532974800

約数和(自身を除く): 752312992

約数列:

[1, 2, 4, 8, 16, 139, 173, 278, 346, 556, 692, 1112, 1384, 2029, 2224, 2768, 4058, 8116, 16232, 24047, 32464, 48094, 96188, 192376, 282031, 351017, 384752, 564062, 702034, 1128124, 1404068, 2256248, 2808136, 4512496, 5616272, 48791363, 97582726, 195165452, 390330904, 780661808]

約数ペア:

[(1, 780661808), (2, 390330904), (4, 195165452), (8, 97582726), (16, 48791363), (139, 5616272), (173, 4512496), (278, 2808136), (346, 2256248), (556, 1404068), (692, 1128124), (1112, 702034), (1384, 564062), (2029, 384752), (2224, 351017), (2768, 282031), (4058, 192376), (8116, 96188), (16232, 48094), (24047, 32464)]