2748460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 7006608

約数和(自身を除く): 4258148

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 961, 1364, 1430, 1612, 1705, 1922, 2015, 2860, 3410, 3844, 4030, 4433, 4805, 6820, 8060, 8866, 9610, 10571, 12493, 17732, 19220, 21142, 22165, 24986, 42284, 44330, 49972, 52855, 62465, 88660, 105710, 124930, 137423, 211420, 249860, 274846, 549692, 687115, 1374230, 2748460]

約数ペア:

[(1, 2748460), (2, 1374230), (4, 687115), (5, 549692), (10, 274846), (11, 249860), (13, 211420), (20, 137423), (22, 124930), (26, 105710), (31, 88660), (44, 62465), (52, 52855), (55, 49972), (62, 44330), (65, 42284), (110, 24986), (124, 22165), (130, 21142), (143, 19220), (155, 17732), (220, 12493), (260, 10571), (286, 9610), (310, 8866), (341, 8060), (403, 6820), (572, 4805), (620, 4433), (682, 4030), (715, 3844), (806, 3410), (961, 2860), (1364, 2015), (1430, 1922), (1612, 1705)]