7931780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 17829504

約数和(自身を除く): 9897724

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 401, 430, 460, 802, 860, 989, 1604, 1978, 2005, 3956, 4010, 4945, 8020, 9223, 9890, 17243, 18446, 19780, 34486, 36892, 46115, 68972, 86215, 92230, 172430, 184460, 344860, 396589, 793178, 1586356, 1982945, 3965890, 7931780]

約数ペア:

[(1, 7931780), (2, 3965890), (4, 1982945), (5, 1586356), (10, 793178), (20, 396589), (23, 344860), (43, 184460), (46, 172430), (86, 92230), (92, 86215), (115, 68972), (172, 46115), (215, 36892), (230, 34486), (401, 19780), (430, 18446), (460, 17243), (802, 9890), (860, 9223), (989, 8020), (1604, 4945), (1978, 4010), (2005, 3956)]