28771610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3110

約数の個数: 32

約数和(自身を含む): 59633280

約数和(自身を除く): 30861670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2957, 4865, 5914, 9730, 14785, 20699, 29570, 41398, 103495, 206990, 411023, 822046, 2055115, 2877161, 4110230, 5754322, 14385805, 28771610]

約数ペア:

[(1, 28771610), (2, 14385805), (5, 5754322), (7, 4110230), (10, 2877161), (14, 2055115), (35, 822046), (70, 411023), (139, 206990), (278, 103495), (695, 41398), (973, 29570), (1390, 20699), (1946, 14785), (2957, 9730), (4865, 5914)]