199758910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{66809}}^1$

素因数の和:66852

約数の個数: 32

約数和(自身を含む): 404066880

約数和(自身を除く): 204307970

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 66809, 133618, 334045, 668090, 868517, 1536607, 1737034, 3073214, 4342585, 7683035, 8685170, 15366070, 19975891, 39951782, 99879455, 199758910]

約数ペア:

[(1, 199758910), (2, 99879455), (5, 39951782), (10, 19975891), (13, 15366070), (23, 8685170), (26, 7683035), (46, 4342585), (65, 3073214), (115, 1737034), (130, 1536607), (230, 868517), (299, 668090), (598, 334045), (1495, 133618), (2990, 66809)]