173617820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2803}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 386279040

約数和(自身を除く): 212661220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 2803, 3097, 3260, 5606, 6194, 11212, 12388, 14015, 15485, 28030, 30970, 53257, 56060, 61940, 106514, 213028, 266285, 456889, 532570, 913778, 1065140, 1827556, 2284445, 4568890, 8680891, 9137780, 17361782, 34723564, 43404455, 86808910, 173617820]

約数ペア:

[(1, 173617820), (2, 86808910), (4, 43404455), (5, 34723564), (10, 17361782), (19, 9137780), (20, 8680891), (38, 4568890), (76, 2284445), (95, 1827556), (163, 1065140), (190, 913778), (326, 532570), (380, 456889), (652, 266285), (815, 213028), (1630, 106514), (2803, 61940), (3097, 56060), (3260, 53257), (5606, 30970), (6194, 28030), (11212, 15485), (12388, 14015)]