730400840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1404617}}^1$

素因数の和:1404641

約数の個数: 32

約数和(自身を含む): 1769818680

約数和(自身を除く): 1039417840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1404617, 2809234, 5618468, 7023085, 11236936, 14046170, 18260021, 28092340, 36520042, 56184680, 73040084, 91300105, 146080168, 182600210, 365200420, 730400840]

約数ペア:

[(1, 730400840), (2, 365200420), (4, 182600210), (5, 146080168), (8, 91300105), (10, 73040084), (13, 56184680), (20, 36520042), (26, 28092340), (40, 18260021), (52, 14046170), (65, 11236936), (104, 7023085), (130, 5618468), (260, 2809234), (520, 1404617)]