138985280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{62047}}^1$

素因数の和:62071

約数の個数: 56

約数和(自身を含む): 378244608

約数和(自身を除く): 239259328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 62047, 124094, 248188, 310235, 434329, 496376, 620470, 868658, 992752, 1240940, 1737316, 1985504, 2171645, 2481880, 3474632, 3971008, 4343290, 4963760, 6949264, 8686580, 9927520, 13898528, 17373160, 19855040, 27797056, 34746320, 69492640, 138985280]

約数ペア:

[(1, 138985280), (2, 69492640), (4, 34746320), (5, 27797056), (7, 19855040), (8, 17373160), (10, 13898528), (14, 9927520), (16, 8686580), (20, 6949264), (28, 4963760), (32, 4343290), (35, 3971008), (40, 3474632), (56, 2481880), (64, 2171645), (70, 1985504), (80, 1737316), (112, 1240940), (140, 992752), (160, 868658), (224, 620470), (280, 496376), (320, 434329), (448, 310235), (560, 248188), (1120, 124094), (2240, 62047)]