3978450

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{421}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 12558720

約数和(自身を除く): 8580270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 421, 450, 525, 630, 675, 842, 945, 1050, 1263, 1350, 1575, 1890, 2105, 2526, 2947, 3150, 3789, 4210, 4725, 5894, 6315, 7578, 8841, 9450, 10525, 11367, 12630, 14735, 17682, 18945, 21050, 22734, 26523, 29470, 31575, 37890, 44205, 53046, 56835, 63150, 73675, 79569, 88410, 94725, 113670, 132615, 147350, 159138, 189450, 221025, 265230, 284175, 397845, 442050, 568350, 663075, 795690, 1326150, 1989225, 3978450]

約数ペア:

[(1, 3978450), (2, 1989225), (3, 1326150), (5, 795690), (6, 663075), (7, 568350), (9, 442050), (10, 397845), (14, 284175), (15, 265230), (18, 221025), (21, 189450), (25, 159138), (27, 147350), (30, 132615), (35, 113670), (42, 94725), (45, 88410), (50, 79569), (54, 73675), (63, 63150), (70, 56835), (75, 53046), (90, 44205), (105, 37890), (126, 31575), (135, 29470), (150, 26523), (175, 22734), (189, 21050), (210, 18945), (225, 17682), (270, 14735), (315, 12630), (350, 11367), (378, 10525), (421, 9450), (450, 8841), (525, 7578), (630, 6315), (675, 5894), (842, 4725), (945, 4210), (1050, 3789), (1263, 3150), (1350, 2947), (1575, 2526), (1890, 2105)]