280167468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 759451392

約数和(自身を除く): 479283924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 743, 804, 938, 1407, 1486, 1876, 2229, 2814, 2972, 4458, 4489, 5201, 5628, 8916, 8978, 10402, 13467, 15603, 17956, 20804, 26934, 31206, 31423, 49781, 53868, 62412, 62846, 94269, 99562, 125692, 149343, 188538, 199124, 298686, 348467, 377076, 597372, 696934, 1045401, 1393868, 2090802, 3335327, 4181604, 6670654, 10005981, 13341308, 20011962, 23347289, 40023924, 46694578, 70041867, 93389156, 140083734, 280167468]

約数ペア:

[(1, 280167468), (2, 140083734), (3, 93389156), (4, 70041867), (6, 46694578), (7, 40023924), (12, 23347289), (14, 20011962), (21, 13341308), (28, 10005981), (42, 6670654), (67, 4181604), (84, 3335327), (134, 2090802), (201, 1393868), (268, 1045401), (402, 696934), (469, 597372), (743, 377076), (804, 348467), (938, 298686), (1407, 199124), (1486, 188538), (1876, 149343), (2229, 125692), (2814, 99562), (2972, 94269), (4458, 62846), (4489, 62412), (5201, 53868), (5628, 49781), (8916, 31423), (8978, 31206), (10402, 26934), (13467, 20804), (15603, 17956)]