216219220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1544423}}^1$

素因数の和:1544439

約数の個数: 24

約数和(自身を含む): 518926464

約数和(自身を除く): 302707244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1544423, 3088846, 6177692, 7722115, 10810961, 15444230, 21621922, 30888460, 43243844, 54054805, 108109610, 216219220]

約数ペア:

[(1, 216219220), (2, 108109610), (4, 54054805), (5, 43243844), (7, 30888460), (10, 21621922), (14, 15444230), (20, 10810961), (28, 7722115), (35, 6177692), (70, 3088846), (140, 1544423)]