238156620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{305329}}^1$

素因数の和:305354

約数の個数: 48

約数和(自身を含む): 718136160

約数和(自身を除く): 479979540

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, 305329, 610658, 915987, 1221316, 1526645, 1831974, 3053290, 3663948, 3969277, 4579935, 6106580, 7938554, 9159870, 11907831, 15877108, 18319740, 19846385, 23815662, 39692770, 47631324, 59539155, 79385540, 119078310, 238156620]

約数ペア:

[(1, 238156620), (2, 119078310), (3, 79385540), (4, 59539155), (5, 47631324), (6, 39692770), (10, 23815662), (12, 19846385), (13, 18319740), (15, 15877108), (20, 11907831), (26, 9159870), (30, 7938554), (39, 6106580), (52, 4579935), (60, 3969277), (65, 3663948), (78, 3053290), (130, 1831974), (156, 1526645), (195, 1221316), (260, 915987), (390, 610658), (780, 305329)]