90553820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1613}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 218006208

約数和(自身を除く): 127452388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 1613, 2005, 2807, 3226, 4010, 5614, 6452, 8020, 8065, 11228, 11291, 14035, 16130, 22582, 28070, 32260, 45164, 56140, 56455, 112910, 225820, 646813, 1293626, 2587252, 3234065, 4527691, 6468130, 9055382, 12936260, 18110764, 22638455, 45276910, 90553820]

約数ペア:

[(1, 90553820), (2, 45276910), (4, 22638455), (5, 18110764), (7, 12936260), (10, 9055382), (14, 6468130), (20, 4527691), (28, 3234065), (35, 2587252), (70, 1293626), (140, 646813), (401, 225820), (802, 112910), (1604, 56455), (1613, 56140), (2005, 45164), (2807, 32260), (3226, 28070), (4010, 22582), (5614, 16130), (6452, 14035), (8020, 11291), (8065, 11228)]