520178820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1238521}}^1$

素因数の和:1238540

約数の個数: 48

約数和(自身を含む): 1664573568

約数和(自身を除く): 1144394748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1238521, 2477042, 3715563, 4954084, 6192605, 7431126, 8669647, 12385210, 14862252, 17339294, 18577815, 24770420, 26008941, 34678588, 37155630, 43348235, 52017882, 74311260, 86696470, 104035764, 130044705, 173392940, 260089410, 520178820]

約数ペア:

[(1, 520178820), (2, 260089410), (3, 173392940), (4, 130044705), (5, 104035764), (6, 86696470), (7, 74311260), (10, 52017882), (12, 43348235), (14, 37155630), (15, 34678588), (20, 26008941), (21, 24770420), (28, 18577815), (30, 17339294), (35, 14862252), (42, 12385210), (60, 8669647), (70, 7431126), (84, 6192605), (105, 4954084), (140, 3715563), (210, 2477042), (420, 1238521)]