201125980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53777}}^1$

素因数の和:53814

約数の個数: 48

約数和(自身を含む): 487874016

約数和(自身を除く): 286748036

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 53777, 107554, 215108, 268885, 537770, 591547, 914209, 1075540, 1183094, 1828418, 2366188, 2957735, 3656836, 4571045, 5915470, 9142090, 10056299, 11830940, 18284180, 20112598, 40225196, 50281495, 100562990, 201125980]

約数ペア:

[(1, 201125980), (2, 100562990), (4, 50281495), (5, 40225196), (10, 20112598), (11, 18284180), (17, 11830940), (20, 10056299), (22, 9142090), (34, 5915470), (44, 4571045), (55, 3656836), (68, 2957735), (85, 2366188), (110, 1828418), (170, 1183094), (187, 1075540), (220, 914209), (340, 591547), (374, 537770), (748, 268885), (935, 215108), (1870, 107554), (3740, 53777)]