190098340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 405808704

約数和(自身を除く): 215710364

約数列:

[1, 2, 4, 5, 10, 20, 107, 211, 214, 421, 422, 428, 535, 842, 844, 1055, 1070, 1684, 2105, 2110, 2140, 4210, 4220, 8420, 22577, 45047, 45154, 88831, 90094, 90308, 112885, 177662, 180188, 225235, 225770, 355324, 444155, 450470, 451540, 888310, 900940, 1776620, 9504917, 19009834, 38019668, 47524585, 95049170, 190098340]

約数ペア:

[(1, 190098340), (2, 95049170), (4, 47524585), (5, 38019668), (10, 19009834), (20, 9504917), (107, 1776620), (211, 900940), (214, 888310), (421, 451540), (422, 450470), (428, 444155), (535, 355324), (842, 225770), (844, 225235), (1055, 180188), (1070, 177662), (1684, 112885), (2105, 90308), (2110, 90094), (2140, 88831), (4210, 45154), (4220, 45047), (8420, 22577)]