102192740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 239392440

約数和(自身を除く): 137199700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 409, 620, 806, 818, 961, 1612, 1636, 1922, 2015, 2045, 3844, 4030, 4090, 4805, 5317, 8060, 8180, 9610, 10634, 12493, 12679, 19220, 21268, 24986, 25358, 26585, 49972, 50716, 53170, 62465, 63395, 106340, 124930, 126790, 164827, 249860, 253580, 329654, 393049, 659308, 786098, 824135, 1572196, 1648270, 1965245, 3296540, 3930490, 5109637, 7860980, 10219274, 20438548, 25548185, 51096370, 102192740]

約数ペア:

[(1, 102192740), (2, 51096370), (4, 25548185), (5, 20438548), (10, 10219274), (13, 7860980), (20, 5109637), (26, 3930490), (31, 3296540), (52, 1965245), (62, 1648270), (65, 1572196), (124, 824135), (130, 786098), (155, 659308), (260, 393049), (310, 329654), (403, 253580), (409, 249860), (620, 164827), (806, 126790), (818, 124930), (961, 106340), (1612, 63395), (1636, 62465), (1922, 53170), (2015, 50716), (2045, 49972), (3844, 26585), (4030, 25358), (4090, 24986), (4805, 21268), (5317, 19220), (8060, 12679), (8180, 12493), (9610, 10634)]