508747980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{652241}}^1$

素因数の和:652266

約数の個数: 48

約数和(自身を含む): 1534073184

約数和(自身を除く): 1025325204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 652241, 1304482, 1956723, 2608964, 3261205, 3913446, 6522410, 7826892, 8479133, 9783615, 13044820, 16958266, 19567230, 25437399, 33916532, 39134460, 42395665, 50874798, 84791330, 101749596, 127186995, 169582660, 254373990, 508747980]

約数ペア:

[(1, 508747980), (2, 254373990), (3, 169582660), (4, 127186995), (5, 101749596), (6, 84791330), (10, 50874798), (12, 42395665), (13, 39134460), (15, 33916532), (20, 25437399), (26, 19567230), (30, 16958266), (39, 13044820), (52, 9783615), (60, 8479133), (65, 7826892), (78, 6522410), (130, 3913446), (156, 3261205), (195, 2608964), (260, 1956723), (390, 1304482), (780, 652241)]