31319790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2441

約数の個数: 64

約数和(自身を含む): 82598400

約数和(自身を除く): 51278610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 437, 570, 690, 874, 1311, 2185, 2389, 2622, 4370, 4778, 6555, 7167, 11945, 13110, 14334, 23890, 35835, 45391, 54947, 71670, 90782, 109894, 136173, 164841, 226955, 272346, 274735, 329682, 453910, 549470, 680865, 824205, 1043993, 1361730, 1648410, 2087986, 3131979, 5219965, 6263958, 10439930, 15659895, 31319790]

約数ペア:

[(1, 31319790), (2, 15659895), (3, 10439930), (5, 6263958), (6, 5219965), (10, 3131979), (15, 2087986), (19, 1648410), (23, 1361730), (30, 1043993), (38, 824205), (46, 680865), (57, 549470), (69, 453910), (95, 329682), (114, 274735), (115, 272346), (138, 226955), (190, 164841), (230, 136173), (285, 109894), (345, 90782), (437, 71670), (570, 54947), (690, 45391), (874, 35835), (1311, 23890), (2185, 14334), (2389, 13110), (2622, 11945), (4370, 7167), (4778, 6555)]