28792980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8453

約数の個数: 72

約数和(自身を含む): 91946400

約数和(自身を除く): 63153420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8419, 16838, 25257, 33676, 42095, 50514, 75771, 84190, 101028, 126285, 151542, 159961, 168380, 252570, 303084, 319922, 378855, 479883, 505140, 639844, 757710, 799805, 959766, 1439649, 1515420, 1599610, 1919532, 2399415, 2879298, 3199220, 4798830, 5758596, 7198245, 9597660, 14396490, 28792980]

約数ペア:

[(1, 28792980), (2, 14396490), (3, 9597660), (4, 7198245), (5, 5758596), (6, 4798830), (9, 3199220), (10, 2879298), (12, 2399415), (15, 1919532), (18, 1599610), (19, 1515420), (20, 1439649), (30, 959766), (36, 799805), (38, 757710), (45, 639844), (57, 505140), (60, 479883), (76, 378855), (90, 319922), (95, 303084), (114, 252570), (171, 168380), (180, 159961), (190, 151542), (228, 126285), (285, 101028), (342, 84190), (380, 75771), (570, 50514), (684, 42095), (855, 33676), (1140, 25257), (1710, 16838), (3420, 8419)]