200898980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76679}}^1$

素因数の和:76819

約数の個数: 24

約数和(自身を含む): 425113920

約数和(自身を除く): 224214940

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76679, 153358, 306716, 383395, 766790, 1533580, 10044949, 20089898, 40179796, 50224745, 100449490, 200898980]

約数ペア:

[(1, 200898980), (2, 100449490), (4, 50224745), (5, 40179796), (10, 20089898), (20, 10044949), (131, 1533580), (262, 766790), (524, 383395), (655, 306716), (1310, 153358), (2620, 76679)]