889019740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{907163}}^1$

素因数の和:907186

約数の個数: 36

約数和(自身を含む): 2171750616

約数和(自身を除く): 1282730876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 907163, 1814326, 3628652, 4535815, 6350141, 9071630, 12700282, 18143260, 25400564, 31750705, 44450987, 63501410, 88901974, 127002820, 177803948, 222254935, 444509870, 889019740]

約数ペア:

[(1, 889019740), (2, 444509870), (4, 222254935), (5, 177803948), (7, 127002820), (10, 88901974), (14, 63501410), (20, 44450987), (28, 31750705), (35, 25400564), (49, 18143260), (70, 12700282), (98, 9071630), (140, 6350141), (196, 4535815), (245, 3628652), (490, 1814326), (980, 907163)]