202136740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 472946040

約数和(自身を除く): 270809300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 809, 961, 1612, 1618, 1922, 2015, 3236, 3844, 4030, 4045, 4805, 8060, 8090, 9610, 10517, 12493, 16180, 19220, 21034, 24986, 25079, 42068, 49972, 50158, 52585, 62465, 100316, 105170, 124930, 125395, 210340, 249860, 250790, 326027, 501580, 652054, 777449, 1304108, 1554898, 1630135, 3109796, 3260270, 3887245, 6520540, 7774490, 10106837, 15548980, 20213674, 40427348, 50534185, 101068370, 202136740]

約数ペア:

[(1, 202136740), (2, 101068370), (4, 50534185), (5, 40427348), (10, 20213674), (13, 15548980), (20, 10106837), (26, 7774490), (31, 6520540), (52, 3887245), (62, 3260270), (65, 3109796), (124, 1630135), (130, 1554898), (155, 1304108), (260, 777449), (310, 652054), (403, 501580), (620, 326027), (806, 250790), (809, 249860), (961, 210340), (1612, 125395), (1618, 124930), (1922, 105170), (2015, 100316), (3236, 62465), (3844, 52585), (4030, 50158), (4045, 49972), (4805, 42068), (8060, 25079), (8090, 24986), (9610, 21034), (10517, 19220), (12493, 16180)]