1379156900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2909}}^1$

素因数の和:3365

約数の個数: 72

約数和(自身を含む): 3273540480

約数和(自身を除く): 1894383580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 431, 550, 862, 1100, 1724, 2155, 2909, 4310, 4741, 5818, 8620, 9482, 10775, 11636, 14545, 18964, 21550, 23705, 29090, 31999, 43100, 47410, 58180, 63998, 72725, 94820, 118525, 127996, 145450, 159995, 237050, 290900, 319990, 474100, 639980, 799975, 1253779, 1599950, 2507558, 3199900, 5015116, 6268895, 12537790, 13791569, 25075580, 27583138, 31344475, 55166276, 62688950, 68957845, 125377900, 137915690, 275831380, 344789225, 689578450, 1379156900]

約数ペア:

[(1, 1379156900), (2, 689578450), (4, 344789225), (5, 275831380), (10, 137915690), (11, 125377900), (20, 68957845), (22, 62688950), (25, 55166276), (44, 31344475), (50, 27583138), (55, 25075580), (100, 13791569), (110, 12537790), (220, 6268895), (275, 5015116), (431, 3199900), (550, 2507558), (862, 1599950), (1100, 1253779), (1724, 799975), (2155, 639980), (2909, 474100), (4310, 319990), (4741, 290900), (5818, 237050), (8620, 159995), (9482, 145450), (10775, 127996), (11636, 118525), (14545, 94820), (18964, 72725), (21550, 63998), (23705, 58180), (29090, 47410), (31999, 43100)]