71283925.000000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 246399048

約数和(自身を除く): 141207988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 421, 620, 806, 842, 961, 1612, 1684, 1922, 2015, 2105, 3844, 4030, 4210, 4805, 5473, 8060, 8420, 9610, 10946, 12493, 13051, 19220, 21892, 24986, 26102, 27365, 49972, 52204, 54730, 62465, 65255, 109460, 124930, 130510, 169663, 249860, 261020, 339326, 404581, 678652, 809162, 848315, 1618324, 1696630, 2022905, 3393260, 4045810, 5259553, 8091620, 10519106, 21038212, 26297765, 52595530, 105191060]

約数ペア:

[(1, 105191060), (2, 52595530), (4, 26297765), (5, 21038212), (10, 10519106), (13, 8091620), (20, 5259553), (26, 4045810), (31, 3393260), (52, 2022905), (62, 1696630), (65, 1618324), (124, 848315), (130, 809162), (155, 678652), (260, 404581), (310, 339326), (403, 261020), (421, 249860), (620, 169663), (806, 130510), (842, 124930), (961, 109460), (1612, 65255), (1684, 62465), (1922, 54730), (2015, 52204), (2105, 49972), (3844, 27365), (4030, 26102), (4210, 24986), (4805, 21892), (5473, 19220), (8060, 13051), (8420, 12493), (9610, 10946)]