167209660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 374419584

約数和(自身を除く): 207209924

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 197, 310, 370, 394, 620, 740, 788, 985, 1147, 1369, 1970, 2294, 2738, 3940, 4588, 5476, 5735, 6107, 6845, 7289, 11470, 12214, 13690, 14578, 22940, 24428, 27380, 29156, 30535, 36445, 42439, 61070, 72890, 84878, 122140, 145780, 169756, 212195, 225959, 269693, 424390, 451918, 539386, 848780, 903836, 1078772, 1129795, 1348465, 2259590, 2696930, 4519180, 5393860, 8360483, 16720966, 33441932, 41802415, 83604830, 167209660]

約数ペア:

[(1, 167209660), (2, 83604830), (4, 41802415), (5, 33441932), (10, 16720966), (20, 8360483), (31, 5393860), (37, 4519180), (62, 2696930), (74, 2259590), (124, 1348465), (148, 1129795), (155, 1078772), (185, 903836), (197, 848780), (310, 539386), (370, 451918), (394, 424390), (620, 269693), (740, 225959), (788, 212195), (985, 169756), (1147, 145780), (1369, 122140), (1970, 84878), (2294, 72890), (2738, 61070), (3940, 42439), (4588, 36445), (5476, 30535), (5735, 29156), (6107, 27380), (6845, 24428), (7289, 22940), (11470, 14578), (12214, 13690)]