509860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 1206576

約数和(自身を除く): 696716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 53, 65, 74, 106, 130, 148, 185, 212, 260, 265, 370, 481, 530, 689, 740, 962, 1060, 1378, 1924, 1961, 2405, 2756, 3445, 3922, 4810, 6890, 7844, 9620, 9805, 13780, 19610, 25493, 39220, 50986, 101972, 127465, 254930, 509860]

約数ペア:

[(1, 509860), (2, 254930), (4, 127465), (5, 101972), (10, 50986), (13, 39220), (20, 25493), (26, 19610), (37, 13780), (52, 9805), (53, 9620), (65, 7844), (74, 6890), (106, 4810), (130, 3922), (148, 3445), (185, 2756), (212, 2405), (260, 1961), (265, 1924), (370, 1378), (481, 1060), (530, 962), (689, 740)]