254333560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13219}}^1$

素因数の和:13280

約数の個数: 64

約数和(自身を含む): 632973600

約数和(自身を除く): 378640040

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, 9620, 13219, 19240, 26438, 52876, 66095, 105752, 132190, 171847, 264380, 343694, 489103, 528760, 687388, 859235, 978206, 1374776, 1718470, 1956412, 2445515, 3436940, 3912824, 4891030, 6358339, 6873880, 9782060, 12716678, 19564120, 25433356, 31791695, 50866712, 63583390, 127166780, 254333560]

約数ペア:

[(1, 254333560), (2, 127166780), (4, 63583390), (5, 50866712), (8, 31791695), (10, 25433356), (13, 19564120), (20, 12716678), (26, 9782060), (37, 6873880), (40, 6358339), (52, 4891030), (65, 3912824), (74, 3436940), (104, 2445515), (130, 1956412), (148, 1718470), (185, 1374776), (260, 978206), (296, 859235), (370, 687388), (481, 528760), (520, 489103), (740, 343694), (962, 264380), (1480, 171847), (1924, 132190), (2405, 105752), (3848, 66095), (4810, 52876), (9620, 26438), (13219, 19240)]