28183750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{3221}}^1$

素因数の和:3250

約数の個数: 40

約数和(自身を含む): 60393168

約数和(自身を除く): 32209418

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 3221, 4375, 6442, 8750, 16105, 22547, 32210, 45094, 80525, 112735, 161050, 225470, 402625, 563675, 805250, 1127350, 2013125, 2818375, 4026250, 5636750, 14091875, 28183750]

約数ペア:

[(1, 28183750), (2, 14091875), (5, 5636750), (7, 4026250), (10, 2818375), (14, 2013125), (25, 1127350), (35, 805250), (50, 563675), (70, 402625), (125, 225470), (175, 161050), (250, 112735), (350, 80525), (625, 45094), (875, 32210), (1250, 22547), (1750, 16105), (3221, 8750), (4375, 6442)]