179685940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1013}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 441807912

約数和(自身を除く): 262121972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 490, 724, 905, 980, 1013, 1267, 1810, 2026, 2534, 3620, 4052, 5065, 5068, 6335, 7091, 8869, 10130, 12670, 14182, 17738, 20260, 25340, 28364, 35455, 35476, 44345, 49637, 70910, 88690, 99274, 141820, 177380, 183353, 198548, 248185, 366706, 496370, 733412, 916765, 992740, 1283471, 1833530, 2566942, 3667060, 5133884, 6417355, 8984297, 12834710, 17968594, 25669420, 35937188, 44921485, 89842970, 179685940]

約数ペア:

[(1, 179685940), (2, 89842970), (4, 44921485), (5, 35937188), (7, 25669420), (10, 17968594), (14, 12834710), (20, 8984297), (28, 6417355), (35, 5133884), (49, 3667060), (70, 2566942), (98, 1833530), (140, 1283471), (181, 992740), (196, 916765), (245, 733412), (362, 496370), (490, 366706), (724, 248185), (905, 198548), (980, 183353), (1013, 177380), (1267, 141820), (1810, 99274), (2026, 88690), (2534, 70910), (3620, 49637), (4052, 44345), (5065, 35476), (5068, 35455), (6335, 28364), (7091, 25340), (8869, 20260), (10130, 17738), (12670, 14182)]