916410820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{95261}}^1$

素因数の和:95320

約数の個数: 48

約数和(自身を含む): 2128534128

約数和(自身を除く): 1212123308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 95261, 190522, 381044, 476305, 952610, 1238393, 1905220, 2476786, 3524657, 4953572, 6191965, 7049314, 12383930, 14098628, 17623285, 24767860, 35246570, 45820541, 70493140, 91641082, 183282164, 229102705, 458205410, 916410820]

約数ペア:

[(1, 916410820), (2, 458205410), (4, 229102705), (5, 183282164), (10, 91641082), (13, 70493140), (20, 45820541), (26, 35246570), (37, 24767860), (52, 17623285), (65, 14098628), (74, 12383930), (130, 7049314), (148, 6191965), (185, 4953572), (260, 3524657), (370, 2476786), (481, 1905220), (740, 1238393), (962, 952610), (1924, 476305), (2405, 381044), (4810, 190522), (9620, 95261)]