28829990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3116

約数の個数: 32

約数和(自身を含む): 59754240

約数和(自身を除く): 30924250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2963, 4865, 5926, 9730, 14815, 20741, 29630, 41482, 103705, 207410, 411857, 823714, 2059285, 2882999, 4118570, 5765998, 14414995, 28829990]

約数ペア:

[(1, 28829990), (2, 14414995), (5, 5765998), (7, 4118570), (10, 2882999), (14, 2059285), (35, 823714), (70, 411857), (139, 207410), (278, 103705), (695, 41482), (973, 29630), (1390, 20741), (1946, 14815), (2963, 9730), (4865, 5926)]