127906940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21247}}^1$

素因数の和:21306

約数の個数: 48

約数和(自身を含む): 314130432

約数和(自身を除く): 186223492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 21247, 42494, 84988, 106235, 148729, 212470, 297458, 424940, 594916, 743645, 913621, 1487290, 1827242, 2974580, 3654484, 4568105, 6395347, 9136210, 12790694, 18272420, 25581388, 31976735, 63953470, 127906940]

約数ペア:

[(1, 127906940), (2, 63953470), (4, 31976735), (5, 25581388), (7, 18272420), (10, 12790694), (14, 9136210), (20, 6395347), (28, 4568105), (35, 3654484), (43, 2974580), (70, 1827242), (86, 1487290), (140, 913621), (172, 743645), (215, 594916), (301, 424940), (430, 297458), (602, 212470), (860, 148729), (1204, 106235), (1505, 84988), (3010, 42494), (6020, 21247)]