2051249450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{439}}^1\times {\mathrm{827}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 3862520640

約数和(自身を除く): 1811271190

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 439, 565, 827, 878, 1130, 1654, 2195, 2825, 4135, 4390, 5650, 8270, 10975, 20675, 21950, 41350, 49607, 93451, 99214, 186902, 248035, 363053, 467255, 496070, 726106, 934510, 1240175, 1815265, 2336275, 2480350, 3630530, 4672550, 9076325, 18152650, 41024989, 82049978, 205124945, 410249890, 1025624725, 2051249450]

約数ペア:

[(1, 2051249450), (2, 1025624725), (5, 410249890), (10, 205124945), (25, 82049978), (50, 41024989), (113, 18152650), (226, 9076325), (439, 4672550), (565, 3630530), (827, 2480350), (878, 2336275), (1130, 1815265), (1654, 1240175), (2195, 934510), (2825, 726106), (4135, 496070), (4390, 467255), (5650, 363053), (8270, 248035), (10975, 186902), (20675, 99214), (21950, 93451), (41350, 49607)]