351820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{359}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 861840

約数和(自身を除く): 510020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 359, 490, 718, 980, 1436, 1795, 2513, 3590, 5026, 7180, 10052, 12565, 17591, 25130, 35182, 50260, 70364, 87955, 175910, 351820]

約数ペア:

[(1, 351820), (2, 175910), (4, 87955), (5, 70364), (7, 50260), (10, 35182), (14, 25130), (20, 17591), (28, 12565), (35, 10052), (49, 7180), (70, 5026), (98, 3590), (140, 2513), (196, 1795), (245, 1436), (359, 980), (490, 718)]