816137860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{8419}}^1$

素因数の和:8596

約数の個数: 48

約数和(自身を含む): 1773858240

約数和(自身を除く): 957720380

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 8419, 9694, 16838, 19388, 24235, 33676, 42095, 48470, 84190, 96940, 168380, 311503, 623006, 1102889, 1246012, 1557515, 2205778, 3115030, 4411556, 5514445, 6230060, 11028890, 22057780, 40806893, 81613786, 163227572, 204034465, 408068930, 816137860]

約数ペア:

[(1, 816137860), (2, 408068930), (4, 204034465), (5, 163227572), (10, 81613786), (20, 40806893), (37, 22057780), (74, 11028890), (131, 6230060), (148, 5514445), (185, 4411556), (262, 3115030), (370, 2205778), (524, 1557515), (655, 1246012), (740, 1102889), (1310, 623006), (2620, 311503), (4847, 168380), (8419, 96940), (9694, 84190), (16838, 48470), (19388, 42095), (24235, 33676)]