149281720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{533149}}^1$

素因数の和:533167

約数の個数: 32

約数和(自身を含む): 383868000

約数和(自身を除く): 234586280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 533149, 1066298, 2132596, 2665745, 3732043, 4265192, 5331490, 7464086, 10662980, 14928172, 18660215, 21325960, 29856344, 37320430, 74640860, 149281720]

約数ペア:

[(1, 149281720), (2, 74640860), (4, 37320430), (5, 29856344), (7, 21325960), (8, 18660215), (10, 14928172), (14, 10662980), (20, 7464086), (28, 5331490), (35, 4265192), (40, 3732043), (56, 2665745), (70, 2132596), (140, 1066298), (280, 533149)]