291230560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16699}}^1$

素因数の和:16823

約数の個数: 48

約数和(自身を含む): 694386000

約数和(自身を除く): 403155440

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, 16699, 17440, 33398, 66796, 83495, 133592, 166990, 267184, 333980, 534368, 667960, 1335920, 1820191, 2671840, 3640382, 7280764, 9100955, 14561528, 18201910, 29123056, 36403820, 58246112, 72807640, 145615280, 291230560]

約数ペア:

[(1, 291230560), (2, 145615280), (4, 72807640), (5, 58246112), (8, 36403820), (10, 29123056), (16, 18201910), (20, 14561528), (32, 9100955), (40, 7280764), (80, 3640382), (109, 2671840), (160, 1820191), (218, 1335920), (436, 667960), (545, 534368), (872, 333980), (1090, 267184), (1744, 166990), (2180, 133592), (3488, 83495), (4360, 66796), (8720, 33398), (16699, 17440)]