201415280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228881}}^1$

素因数の和:228905

約数の個数: 40

約数和(自身を含む): 510864624

約数和(自身を除く): 309449344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228881, 457762, 915524, 1144405, 1831048, 2288810, 2517691, 3662096, 4577620, 5035382, 9155240, 10070764, 12588455, 18310480, 20141528, 25176910, 40283056, 50353820, 100707640, 201415280]

約数ペア:

[(1, 201415280), (2, 100707640), (4, 50353820), (5, 40283056), (8, 25176910), (10, 20141528), (11, 18310480), (16, 12588455), (20, 10070764), (22, 9155240), (40, 5035382), (44, 4577620), (55, 3662096), (80, 2517691), (88, 2288810), (110, 1831048), (176, 1144405), (220, 915524), (440, 457762), (880, 228881)]