200729960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{161879}}^1$

素因数の和:161921

約数の個数: 32

約数和(自身を含む): 466214400

約数和(自身を除く): 265484440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 161879, 323758, 647516, 809395, 1295032, 1618790, 3237580, 5018249, 6475160, 10036498, 20072996, 25091245, 40145992, 50182490, 100364980, 200729960]

約数ペア:

[(1, 200729960), (2, 100364980), (4, 50182490), (5, 40145992), (8, 25091245), (10, 20072996), (20, 10036498), (31, 6475160), (40, 5018249), (62, 3237580), (124, 1618790), (155, 1295032), (248, 809395), (310, 647516), (620, 323758), (1240, 161879)]