272217140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28297}}^1$

素因数の和:28356

約数の個数: 48

約数和(自身を含む): 632290512

約数和(自身を除く): 360073372

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, 28297, 56594, 113188, 141485, 282970, 367861, 565940, 735722, 1046989, 1471444, 1839305, 2093978, 3678610, 4187956, 5234945, 7357220, 10469890, 13610857, 20939780, 27221714, 54443428, 68054285, 136108570, 272217140]

約数ペア:

[(1, 272217140), (2, 136108570), (4, 68054285), (5, 54443428), (10, 27221714), (13, 20939780), (20, 13610857), (26, 10469890), (37, 7357220), (52, 5234945), (65, 4187956), (74, 3678610), (130, 2093978), (148, 1839305), (185, 1471444), (260, 1046989), (370, 735722), (481, 565940), (740, 367861), (962, 282970), (1924, 141485), (2405, 113188), (4810, 56594), (9620, 28297)]