1025647900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 2274048896

約数和(自身を除く): 1248400996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 277, 305, 554, 607, 610, 1108, 1214, 1220, 1385, 1525, 2428, 2770, 3035, 3050, 5540, 6070, 6100, 6925, 12140, 13850, 15175, 16897, 27700, 30350, 33794, 37027, 60700, 67588, 74054, 84485, 148108, 168139, 168970, 185135, 336278, 337940, 370270, 422425, 672556, 740540, 840695, 844850, 925675, 1681390, 1689700, 1851350, 3362780, 3702700, 4203475, 8406950, 10256479, 16813900, 20512958, 41025916, 51282395, 102564790, 205129580, 256411975, 512823950, 1025647900]

約数ペア:

[(1, 1025647900), (2, 512823950), (4, 256411975), (5, 205129580), (10, 102564790), (20, 51282395), (25, 41025916), (50, 20512958), (61, 16813900), (100, 10256479), (122, 8406950), (244, 4203475), (277, 3702700), (305, 3362780), (554, 1851350), (607, 1689700), (610, 1681390), (1108, 925675), (1214, 844850), (1220, 840695), (1385, 740540), (1525, 672556), (2428, 422425), (2770, 370270), (3035, 337940), (3050, 336278), (5540, 185135), (6070, 168970), (6100, 168139), (6925, 148108), (12140, 84485), (13850, 74054), (15175, 67588), (16897, 60700), (27700, 37027), (30350, 33794)]