81591650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2063}}^1$

素因数の和:2195

約数の個数: 48

約数和(自身を含む): 175060224

約数和(自身を除く): 93468574

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 113, 175, 226, 350, 565, 791, 1130, 1582, 2063, 2825, 3955, 4126, 5650, 7910, 10315, 14441, 19775, 20630, 28882, 39550, 51575, 72205, 103150, 144410, 233119, 361025, 466238, 722050, 1165595, 1631833, 2331190, 3263666, 5827975, 8159165, 11655950, 16318330, 40795825, 81591650]

約数ペア:

[(1, 81591650), (2, 40795825), (5, 16318330), (7, 11655950), (10, 8159165), (14, 5827975), (25, 3263666), (35, 2331190), (50, 1631833), (70, 1165595), (113, 722050), (175, 466238), (226, 361025), (350, 233119), (565, 144410), (791, 103150), (1130, 72205), (1582, 51575), (2063, 39550), (2825, 28882), (3955, 20630), (4126, 19775), (5650, 14441), (7910, 10315)]