420437008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{370103}}^1$

素因数の和:370182

約数の個数: 20

約数和(自身を含む): 826072128

約数和(自身を除く): 405635120

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 370103, 740206, 1480412, 2960824, 5921648, 26277313, 52554626, 105109252, 210218504, 420437008]

約数ペア:

[(1, 420437008), (2, 210218504), (4, 105109252), (8, 52554626), (16, 26277313), (71, 5921648), (142, 2960824), (284, 1480412), (568, 740206), (1136, 370103)]