217630910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{22367}}^1$

素因数の和:22520

約数の個数: 32

約数和(自身を含む): 450938880

約数和(自身を除く): 233307970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 22367, 44734, 111835, 156569, 223670, 313138, 782845, 1565690, 3109013, 6218026, 15545065, 21763091, 31090130, 43526182, 108815455, 217630910]

約数ペア:

[(1, 217630910), (2, 108815455), (5, 43526182), (7, 31090130), (10, 21763091), (14, 15545065), (35, 6218026), (70, 3109013), (139, 1565690), (278, 782845), (695, 313138), (973, 223670), (1390, 156569), (1946, 111835), (4865, 44734), (9730, 22367)]