4747340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 11677680

約数和(自身を除く): 6930340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 961, 988, 1178, 1235, 1612, 1922, 2015, 2356, 2470, 2945, 3844, 4030, 4805, 4940, 5890, 7657, 8060, 9610, 11780, 12493, 15314, 18259, 19220, 24986, 30628, 36518, 38285, 49972, 62465, 73036, 76570, 91295, 124930, 153140, 182590, 237367, 249860, 365180, 474734, 949468, 1186835, 2373670, 4747340]

約数ペア:

[(1, 4747340), (2, 2373670), (4, 1186835), (5, 949468), (10, 474734), (13, 365180), (19, 249860), (20, 237367), (26, 182590), (31, 153140), (38, 124930), (52, 91295), (62, 76570), (65, 73036), (76, 62465), (95, 49972), (124, 38285), (130, 36518), (155, 30628), (190, 24986), (247, 19220), (260, 18259), (310, 15314), (380, 12493), (403, 11780), (494, 9610), (589, 8060), (620, 7657), (806, 5890), (961, 4940), (988, 4805), (1178, 4030), (1235, 3844), (1612, 2945), (1922, 2470), (2015, 2356)]