263887010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{3299}}^1$

素因数の和:3746

約数の個数: 32

約数和(自身を含む): 501336000

約数和(自身を除く): 237448990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421, 842, 2105, 3299, 4210, 6598, 7999, 15998, 16495, 32990, 39995, 62681, 79990, 125362, 313405, 626810, 1388879, 2777758, 6944395, 13888790, 26388701, 52777402, 131943505, 263887010]

約数ペア:

[(1, 263887010), (2, 131943505), (5, 52777402), (10, 26388701), (19, 13888790), (38, 6944395), (95, 2777758), (190, 1388879), (421, 626810), (842, 313405), (2105, 125362), (3299, 79990), (4210, 62681), (6598, 39995), (7999, 32990), (15998, 16495)]