172972940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{176503}}^1$

素因数の和:176526

約数の個数: 36

約数和(自身を含む): 422550576

約数和(自身を除く): 249577636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 176503, 353006, 706012, 882515, 1235521, 1765030, 2471042, 3530060, 4942084, 6177605, 8648647, 12355210, 17297294, 24710420, 34594588, 43243235, 86486470, 172972940]

約数ペア:

[(1, 172972940), (2, 86486470), (4, 43243235), (5, 34594588), (7, 24710420), (10, 17297294), (14, 12355210), (20, 8648647), (28, 6177605), (35, 4942084), (49, 3530060), (70, 2471042), (98, 1765030), (140, 1235521), (196, 882515), (245, 706012), (490, 353006), (980, 176503)]