66660580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 164094336

約数和(自身を除く): 97433756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 271, 490, 502, 542, 980, 1004, 1084, 1255, 1355, 1757, 1897, 2510, 2710, 3514, 3794, 5020, 5420, 7028, 7588, 8785, 9485, 12299, 13279, 17570, 18970, 24598, 26558, 35140, 37940, 49196, 53116, 61495, 66395, 68021, 122990, 132790, 136042, 245980, 265580, 272084, 340105, 476147, 680210, 952294, 1360420, 1904588, 2380735, 3333029, 4761470, 6666058, 9522940, 13332116, 16665145, 33330290, 66660580]

約数ペア:

[(1, 66660580), (2, 33330290), (4, 16665145), (5, 13332116), (7, 9522940), (10, 6666058), (14, 4761470), (20, 3333029), (28, 2380735), (35, 1904588), (49, 1360420), (70, 952294), (98, 680210), (140, 476147), (196, 340105), (245, 272084), (251, 265580), (271, 245980), (490, 136042), (502, 132790), (542, 122990), (980, 68021), (1004, 66395), (1084, 61495), (1255, 53116), (1355, 49196), (1757, 37940), (1897, 35140), (2510, 26558), (2710, 24598), (3514, 18970), (3794, 17570), (5020, 13279), (5420, 12299), (7028, 9485), (7588, 8785)]