202223980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206351}}^1$

素因数の和:206374

約数の個数: 36

約数和(自身を含む): 494006688

約数和(自身を除く): 291782708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206351, 412702, 825404, 1031755, 1444457, 2063510, 2888914, 4127020, 5777828, 7222285, 10111199, 14444570, 20222398, 28889140, 40444796, 50555995, 101111990, 202223980]

約数ペア:

[(1, 202223980), (2, 101111990), (4, 50555995), (5, 40444796), (7, 28889140), (10, 20222398), (14, 14444570), (20, 10111199), (28, 7222285), (35, 5777828), (49, 4127020), (70, 2888914), (98, 2063510), (140, 1444457), (196, 1031755), (245, 825404), (490, 412702), (980, 206351)]