221411260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{6967}}^1$

素因数の和:7210

約数の個数: 48

約数和(自身を含む): 533804544

約数和(自身を除く): 312393284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 6967, 7945, 13934, 15890, 27868, 31780, 34835, 48769, 69670, 97538, 139340, 195076, 243845, 487690, 975380, 1581509, 3163018, 6326036, 7907545, 11070563, 15815090, 22141126, 31630180, 44282252, 55352815, 110705630, 221411260]

約数ペア:

[(1, 221411260), (2, 110705630), (4, 55352815), (5, 44282252), (7, 31630180), (10, 22141126), (14, 15815090), (20, 11070563), (28, 7907545), (35, 6326036), (70, 3163018), (140, 1581509), (227, 975380), (454, 487690), (908, 243845), (1135, 195076), (1589, 139340), (2270, 97538), (3178, 69670), (4540, 48769), (6356, 34835), (6967, 31780), (7945, 27868), (13934, 15890)]