212959840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12211}}^1$

素因数の和:12335

約数の個数: 48

約数和(自身を含む): 507774960

約数和(自身を除く): 294815120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 12211, 17440, 24422, 48844, 61055, 97688, 122110, 195376, 244220, 390752, 488440, 976880, 1330999, 1953760, 2661998, 5323996, 6654995, 10647992, 13309990, 21295984, 26619980, 42591968, 53239960, 106479920, 212959840]

約数ペア:

[(1, 212959840), (2, 106479920), (4, 53239960), (5, 42591968), (8, 26619980), (10, 21295984), (16, 13309990), (20, 10647992), (32, 6654995), (40, 5323996), (80, 2661998), (109, 1953760), (160, 1330999), (218, 976880), (436, 488440), (545, 390752), (872, 244220), (1090, 195376), (1744, 122110), (2180, 97688), (3488, 61055), (4360, 48844), (8720, 24422), (12211, 17440)]