90310325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 136360320

約数和(自身を除く): 46049995

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 157, 173, 175, 475, 665, 785, 865, 1099, 1211, 2983, 3287, 3325, 3925, 4325, 5495, 6055, 14915, 16435, 20881, 23009, 27161, 27475, 30275, 74575, 82175, 104405, 115045, 135805, 190127, 516059, 522025, 575225, 679025, 950635, 2580295, 3612413, 4753175, 12901475, 18062065, 90310325]

約数ペア:

[(1, 90310325), (5, 18062065), (7, 12901475), (19, 4753175), (25, 3612413), (35, 2580295), (95, 950635), (133, 679025), (157, 575225), (173, 522025), (175, 516059), (475, 190127), (665, 135805), (785, 115045), (865, 104405), (1099, 82175), (1211, 74575), (2983, 30275), (3287, 27475), (3325, 27161), (3925, 23009), (4325, 20881), (5495, 16435), (6055, 14915)]