280109072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 556880280

約数和(自身を除く): 276771208

約数列:

[1, 2, 4, 8, 16, 61, 109, 122, 218, 244, 436, 488, 872, 976, 1744, 2633, 5266, 6649, 10532, 13298, 21064, 26596, 42128, 53192, 106384, 160613, 286997, 321226, 573994, 642452, 1147988, 1284904, 2295976, 2569808, 4591952, 17506817, 35013634, 70027268, 140054536, 280109072]

約数ペア:

[(1, 280109072), (2, 140054536), (4, 70027268), (8, 35013634), (16, 17506817), (61, 4591952), (109, 2569808), (122, 2295976), (218, 1284904), (244, 1147988), (436, 642452), (488, 573994), (872, 321226), (976, 286997), (1744, 160613), (2633, 106384), (5266, 53192), (6649, 42128), (10532, 26596), (13298, 21064)]