90678728

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 199680000

約数和(自身を除く): 109001272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 103, 158, 199, 206, 316, 398, 412, 553, 632, 721, 796, 824, 1106, 1393, 1442, 1592, 2212, 2786, 2884, 4424, 5572, 5768, 8137, 11144, 15721, 16274, 20497, 31442, 32548, 40994, 56959, 62884, 65096, 81988, 110047, 113918, 125768, 143479, 163976, 220094, 227836, 286958, 440188, 455672, 573916, 880376, 1147832, 1619263, 3238526, 6477052, 11334841, 12954104, 22669682, 45339364, 90678728]

約数ペア:

[(1, 90678728), (2, 45339364), (4, 22669682), (7, 12954104), (8, 11334841), (14, 6477052), (28, 3238526), (56, 1619263), (79, 1147832), (103, 880376), (158, 573916), (199, 455672), (206, 440188), (316, 286958), (398, 227836), (412, 220094), (553, 163976), (632, 143479), (721, 125768), (796, 113918), (824, 110047), (1106, 81988), (1393, 65096), (1442, 62884), (1592, 56959), (2212, 40994), (2786, 32548), (2884, 31442), (4424, 20497), (5572, 16274), (5768, 15721), (8137, 11144)]