153102980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{787}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 328841856

約数和(自身を除く): 175738876

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 274, 284, 355, 548, 685, 710, 787, 1370, 1420, 1574, 2740, 3148, 3935, 7870, 9727, 15740, 19454, 38908, 48635, 55877, 97270, 107819, 111754, 194540, 215638, 223508, 279385, 431276, 539095, 558770, 1078190, 1117540, 2156380, 7655149, 15310298, 30620596, 38275745, 76551490, 153102980]

約数ペア:

[(1, 153102980), (2, 76551490), (4, 38275745), (5, 30620596), (10, 15310298), (20, 7655149), (71, 2156380), (137, 1117540), (142, 1078190), (274, 558770), (284, 539095), (355, 431276), (548, 279385), (685, 223508), (710, 215638), (787, 194540), (1370, 111754), (1420, 107819), (1574, 97270), (2740, 55877), (3148, 48635), (3935, 38908), (7870, 19454), (9727, 15740)]