399330010

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{71693}}^1$

素因数の和:72257

約数の個数: 16

約数和(自身を含む): 720094536

約数和(自身を除く): 320764526

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 5570, 71693, 143386, 358465, 716930, 39933001, 79866002, 199665005, 399330010]

約数ペア:

[(1, 399330010), (2, 199665005), (5, 79866002), (10, 39933001), (557, 716930), (1114, 358465), (2785, 143386), (5570, 71693)]