216804940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16703}}^1$

素因数の和:16782

約数の個数: 48

約数和(自身を含む): 505128960

約数和(自身を除く): 288324020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 16703, 33406, 66812, 83515, 167030, 183733, 334060, 367466, 734932, 918665, 985477, 1837330, 1970954, 3674660, 3941908, 4927385, 9854770, 10840247, 19709540, 21680494, 43360988, 54201235, 108402470, 216804940]

約数ペア:

[(1, 216804940), (2, 108402470), (4, 54201235), (5, 43360988), (10, 21680494), (11, 19709540), (20, 10840247), (22, 9854770), (44, 4927385), (55, 3941908), (59, 3674660), (110, 1970954), (118, 1837330), (220, 985477), (236, 918665), (295, 734932), (590, 367466), (649, 334060), (1180, 183733), (1298, 167030), (2596, 83515), (3245, 66812), (6490, 33406), (12980, 16703)]