86965900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{439}}^1$

素因数の和:743

約数の個数: 72

約数和(自身を含む): 216930560

約数和(自身を除く): 129964660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 283, 350, 439, 566, 700, 878, 1132, 1415, 1756, 1981, 2195, 2830, 3073, 3962, 4390, 5660, 6146, 7075, 7924, 8780, 9905, 10975, 12292, 14150, 15365, 19810, 21950, 28300, 30730, 39620, 43900, 49525, 61460, 76825, 99050, 124237, 153650, 198100, 248474, 307300, 496948, 621185, 869659, 1242370, 1739318, 2484740, 3105925, 3478636, 4348295, 6211850, 8696590, 12423700, 17393180, 21741475, 43482950, 86965900]

約数ペア:

[(1, 86965900), (2, 43482950), (4, 21741475), (5, 17393180), (7, 12423700), (10, 8696590), (14, 6211850), (20, 4348295), (25, 3478636), (28, 3105925), (35, 2484740), (50, 1739318), (70, 1242370), (100, 869659), (140, 621185), (175, 496948), (283, 307300), (350, 248474), (439, 198100), (566, 153650), (700, 124237), (878, 99050), (1132, 76825), (1415, 61460), (1756, 49525), (1981, 43900), (2195, 39620), (2830, 30730), (3073, 28300), (3962, 21950), (4390, 19810), (5660, 15365), (6146, 14150), (7075, 12292), (7924, 10975), (8780, 9905)]