142389660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339023}}^1$

素因数の和:339042

約数の個数: 48

約数和(自身を含む): 455648256

約数和(自身を除く): 313258596

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, 339023, 678046, 1017069, 1356092, 1695115, 2034138, 2373161, 3390230, 4068276, 4746322, 5085345, 6780460, 7119483, 9492644, 10170690, 11865805, 14238966, 20341380, 23731610, 28477932, 35597415, 47463220, 71194830, 142389660]

約数ペア:

[(1, 142389660), (2, 71194830), (3, 47463220), (4, 35597415), (5, 28477932), (6, 23731610), (7, 20341380), (10, 14238966), (12, 11865805), (14, 10170690), (15, 9492644), (20, 7119483), (21, 6780460), (28, 5085345), (30, 4746322), (35, 4068276), (42, 3390230), (60, 2373161), (70, 2034138), (84, 1695115), (105, 1356092), (140, 1017069), (210, 678046), (420, 339023)]