138893560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7219}}^1$

素因数の和:7280

約数の個数: 64

約数和(自身を含む): 345693600

約数和(自身を除く): 206800040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 7219, 9620, 14438, 19240, 28876, 36095, 57752, 72190, 93847, 144380, 187694, 267103, 288760, 375388, 469235, 534206, 750776, 938470, 1068412, 1335515, 1876940, 2136824, 2671030, 3472339, 3753880, 5342060, 6944678, 10684120, 13889356, 17361695, 27778712, 34723390, 69446780, 138893560]

約数ペア:

[(1, 138893560), (2, 69446780), (4, 34723390), (5, 27778712), (8, 17361695), (10, 13889356), (13, 10684120), (20, 6944678), (26, 5342060), (37, 3753880), (40, 3472339), (52, 2671030), (65, 2136824), (74, 1876940), (104, 1335515), (130, 1068412), (148, 938470), (185, 750776), (260, 534206), (296, 469235), (370, 375388), (481, 288760), (520, 267103), (740, 187694), (962, 144380), (1480, 93847), (1924, 72190), (2405, 57752), (3848, 36095), (4810, 28876), (7219, 19240), (9620, 14438)]