201798520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65519}}^1$

素因数の和:65548

約数の個数: 64

約数和(自身を含む): 566092800

約数和(自身を除く): 364294280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 65519, 131038, 262076, 327595, 458633, 524152, 655190, 720709, 917266, 1310380, 1441418, 1834532, 2293165, 2620760, 2882836, 3603545, 3669064, 4586330, 5044963, 5765672, 7207090, 9172660, 10089926, 14414180, 18345320, 20179852, 25224815, 28828360, 40359704, 50449630, 100899260, 201798520]

約数ペア:

[(1, 201798520), (2, 100899260), (4, 50449630), (5, 40359704), (7, 28828360), (8, 25224815), (10, 20179852), (11, 18345320), (14, 14414180), (20, 10089926), (22, 9172660), (28, 7207090), (35, 5765672), (40, 5044963), (44, 4586330), (55, 3669064), (56, 3603545), (70, 2882836), (77, 2620760), (88, 2293165), (110, 1834532), (140, 1441418), (154, 1310380), (220, 917266), (280, 720709), (308, 655190), (385, 524152), (440, 458633), (616, 327595), (770, 262076), (1540, 131038), (3080, 65519)]