4004420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28603}}^1$

素因数の和:28619

約数の個数: 24

約数和(自身を含む): 9610944

約数和(自身を除く): 5606524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28603, 57206, 114412, 143015, 200221, 286030, 400442, 572060, 800884, 1001105, 2002210, 4004420]

約数ペア:

[(1, 4004420), (2, 2002210), (4, 1001105), (5, 800884), (7, 572060), (10, 400442), (14, 286030), (20, 200221), (28, 143015), (35, 114412), (70, 57206), (140, 28603)]