17389540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 24607772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 557, 892, 1114, 1115, 1561, 2228, 2230, 2785, 3122, 3899, 4460, 5570, 6244, 7798, 7805, 11140, 15596, 15610, 19495, 31220, 38990, 77980, 124211, 248422, 496844, 621055, 869477, 1242110, 1738954, 2484220, 3477908, 4347385, 8694770, 17389540]

約数ペア:

[(1, 17389540), (2, 8694770), (4, 4347385), (5, 3477908), (7, 2484220), (10, 1738954), (14, 1242110), (20, 869477), (28, 621055), (35, 496844), (70, 248422), (140, 124211), (223, 77980), (446, 38990), (557, 31220), (892, 19495), (1114, 15610), (1115, 15596), (1561, 11140), (2228, 7805), (2230, 7798), (2785, 6244), (3122, 5570), (3899, 4460)]