1381812040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4935043}}^1$

素因数の和:4935061

約数の個数: 32

約数和(自身を含む): 3553231680

約数和(自身を除く): 2171419640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4935043, 9870086, 19740172, 24675215, 34545301, 39480344, 49350430, 69090602, 98700860, 138181204, 172726505, 197401720, 276362408, 345453010, 690906020, 1381812040]

約数ペア:

[(1, 1381812040), (2, 690906020), (4, 345453010), (5, 276362408), (7, 197401720), (8, 172726505), (10, 138181204), (14, 98700860), (20, 69090602), (28, 49350430), (35, 39480344), (40, 34545301), (56, 24675215), (70, 19740172), (140, 9870086), (280, 4935043)]