238936620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306329}}^1$

素因数の和:306354

約数の個数: 48

約数和(自身を含む): 720488160

約数和(自身を除く): 481551540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 306329, 612658, 918987, 1225316, 1531645, 1837974, 3063290, 3675948, 3982277, 4594935, 6126580, 7964554, 9189870, 11946831, 15929108, 18379740, 19911385, 23893662, 39822770, 47787324, 59734155, 79645540, 119468310, 238936620]

約数ペア:

[(1, 238936620), (2, 119468310), (3, 79645540), (4, 59734155), (5, 47787324), (6, 39822770), (10, 23893662), (12, 19911385), (13, 18379740), (15, 15929108), (20, 11946831), (26, 9189870), (30, 7964554), (39, 6126580), (52, 4594935), (60, 3982277), (65, 3675948), (78, 3063290), (130, 1837974), (156, 1531645), (195, 1225316), (260, 918987), (390, 612658), (780, 306329)]