90157000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1123

約数の個数: 64

約数和(自身を含む): 213548400

約数和(自身を除く): 123391400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 445, 500, 712, 890, 1000, 1013, 1780, 2026, 2225, 3560, 4052, 4450, 5065, 8104, 8900, 10130, 11125, 17800, 20260, 22250, 25325, 40520, 44500, 50650, 89000, 90157, 101300, 126625, 180314, 202600, 253250, 360628, 450785, 506500, 721256, 901570, 1013000, 1803140, 2253925, 3606280, 4507850, 9015700, 11269625, 18031400, 22539250, 45078500, 90157000]

約数ペア:

[(1, 90157000), (2, 45078500), (4, 22539250), (5, 18031400), (8, 11269625), (10, 9015700), (20, 4507850), (25, 3606280), (40, 2253925), (50, 1803140), (89, 1013000), (100, 901570), (125, 721256), (178, 506500), (200, 450785), (250, 360628), (356, 253250), (445, 202600), (500, 180314), (712, 126625), (890, 101300), (1000, 90157), (1013, 89000), (1780, 50650), (2026, 44500), (2225, 40520), (3560, 25325), (4052, 22250), (4450, 20260), (5065, 17800), (8104, 11125), (8900, 10130)]