71707220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1429}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 163122960

約数和(自身を除く): 91415740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1429, 1930, 2509, 2858, 3860, 5018, 5716, 7145, 10036, 12545, 14290, 18577, 25090, 28580, 37154, 50180, 74308, 92885, 185770, 275797, 371540, 551594, 1103188, 1378985, 2757970, 3585361, 5515940, 7170722, 14341444, 17926805, 35853610, 71707220]

約数ペア:

[(1, 71707220), (2, 35853610), (4, 17926805), (5, 14341444), (10, 7170722), (13, 5515940), (20, 3585361), (26, 2757970), (52, 1378985), (65, 1103188), (130, 551594), (193, 371540), (260, 275797), (386, 185770), (772, 92885), (965, 74308), (1429, 50180), (1930, 37154), (2509, 28580), (2858, 25090), (3860, 18577), (5018, 14290), (5716, 12545), (7145, 10036)]