68215220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 152400528

約数和(自身を除く): 84185308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 313, 340, 626, 641, 1252, 1282, 1565, 2564, 3130, 3205, 5321, 6260, 6410, 10642, 10897, 12820, 21284, 21794, 26605, 43588, 53210, 54485, 106420, 108970, 200633, 217940, 401266, 802532, 1003165, 2006330, 3410761, 4012660, 6821522, 13643044, 17053805, 34107610, 68215220]

約数ペア:

[(1, 68215220), (2, 34107610), (4, 17053805), (5, 13643044), (10, 6821522), (17, 4012660), (20, 3410761), (34, 2006330), (68, 1003165), (85, 802532), (170, 401266), (313, 217940), (340, 200633), (626, 108970), (641, 106420), (1252, 54485), (1282, 53210), (1565, 43588), (2564, 26605), (3130, 21794), (3205, 21284), (5321, 12820), (6260, 10897), (6410, 10642)]