311973990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{25933}}^1$

素因数の和:26344

約数の個数: 32

約数和(自身を含む): 750633696

約数和(自身を除く): 438659706

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 2005, 2406, 4010, 6015, 12030, 25933, 51866, 77799, 129665, 155598, 259330, 388995, 777990, 10399133, 20798266, 31197399, 51995665, 62394798, 103991330, 155986995, 311973990]

約数ペア:

[(1, 311973990), (2, 155986995), (3, 103991330), (5, 62394798), (6, 51995665), (10, 31197399), (15, 20798266), (30, 10399133), (401, 777990), (802, 388995), (1203, 259330), (2005, 155598), (2406, 129665), (4010, 77799), (6015, 51866), (12030, 25933)]