730340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 1683444

約数和(自身を除く): 953104

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2809, 3445, 5618, 6890, 11236, 13780, 14045, 28090, 36517, 56180, 73034, 146068, 182585, 365170, 730340]

約数ペア:

[(1, 730340), (2, 365170), (4, 182585), (5, 146068), (10, 73034), (13, 56180), (20, 36517), (26, 28090), (52, 14045), (53, 13780), (65, 11236), (106, 6890), (130, 5618), (212, 3445), (260, 2809), (265, 2756), (530, 1378), (689, 1060)]