211414160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1416

約数の個数: 80

約数和(自身を含む): 519073920

約数和(自身を除く): 307659760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1291, 1424, 1780, 1840, 2047, 2582, 3560, 4094, 5164, 6455, 7120, 8188, 10235, 10328, 12910, 16376, 20470, 20656, 25820, 29693, 32752, 40940, 51640, 59386, 81880, 103280, 114899, 118772, 148465, 163760, 229798, 237544, 296930, 459596, 475088, 574495, 593860, 919192, 1148990, 1187720, 1838384, 2297980, 2375440, 2642677, 4595960, 5285354, 9191920, 10570708, 13213385, 21141416, 26426770, 42282832, 52853540, 105707080, 211414160]

約数ペア:

[(1, 211414160), (2, 105707080), (4, 52853540), (5, 42282832), (8, 26426770), (10, 21141416), (16, 13213385), (20, 10570708), (23, 9191920), (40, 5285354), (46, 4595960), (80, 2642677), (89, 2375440), (92, 2297980), (115, 1838384), (178, 1187720), (184, 1148990), (230, 919192), (356, 593860), (368, 574495), (445, 475088), (460, 459596), (712, 296930), (890, 237544), (920, 229798), (1291, 163760), (1424, 148465), (1780, 118772), (1840, 114899), (2047, 103280), (2582, 81880), (3560, 59386), (4094, 51640), (5164, 40940), (6455, 32752), (7120, 29693), (8188, 25820), (10235, 20656), (10328, 20470), (12910, 16376)]