129648860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1361}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 297918432

約数和(自身を除く): 168269572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 433, 866, 1361, 1732, 2165, 2722, 4330, 4763, 5444, 6805, 8660, 9526, 13610, 14971, 19052, 23815, 27220, 29942, 47630, 59884, 74855, 95260, 149710, 299420, 589313, 1178626, 2357252, 2946565, 5893130, 6482443, 11786260, 12964886, 25929772, 32412215, 64824430, 129648860]

約数ペア:

[(1, 129648860), (2, 64824430), (4, 32412215), (5, 25929772), (10, 12964886), (11, 11786260), (20, 6482443), (22, 5893130), (44, 2946565), (55, 2357252), (110, 1178626), (220, 589313), (433, 299420), (866, 149710), (1361, 95260), (1732, 74855), (2165, 59884), (2722, 47630), (4330, 29942), (4763, 27220), (5444, 23815), (6805, 19052), (8660, 14971), (9526, 13610)]