148679660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 317985696

約数和(自身を除く): 169306036

約数列:

[1, 2, 4, 5, 10, 20, 97, 173, 194, 346, 388, 443, 485, 692, 865, 886, 970, 1730, 1772, 1940, 2215, 3460, 4430, 8860, 16781, 33562, 42971, 67124, 76639, 83905, 85942, 153278, 167810, 171884, 214855, 306556, 335620, 383195, 429710, 766390, 859420, 1532780, 7433983, 14867966, 29735932, 37169915, 74339830, 148679660]

約数ペア:

[(1, 148679660), (2, 74339830), (4, 37169915), (5, 29735932), (10, 14867966), (20, 7433983), (97, 1532780), (173, 859420), (194, 766390), (346, 429710), (388, 383195), (443, 335620), (485, 306556), (692, 214855), (865, 171884), (886, 167810), (970, 153278), (1730, 85942), (1772, 83905), (1940, 76639), (2215, 67124), (3460, 42971), (4430, 33562), (8860, 16781)]