64500170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 136170720

約数和(自身を除く): 71670550

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 947, 973, 1390, 1894, 1946, 4735, 4865, 6629, 6811, 9470, 9730, 13258, 13622, 33145, 34055, 46403, 66290, 68110, 92806, 131633, 232015, 263266, 464030, 658165, 921431, 1316330, 1842862, 4607155, 6450017, 9214310, 12900034, 32250085, 64500170]

約数ペア:

[(1, 64500170), (2, 32250085), (5, 12900034), (7, 9214310), (10, 6450017), (14, 4607155), (35, 1842862), (49, 1316330), (70, 921431), (98, 658165), (139, 464030), (245, 263266), (278, 232015), (490, 131633), (695, 92806), (947, 68110), (973, 66290), (1390, 46403), (1894, 34055), (1946, 33145), (4735, 13622), (4865, 13258), (6629, 9730), (6811, 9470)]