208759720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{677}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 507442320

約数和(自身を除く): 298682600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 593, 677, 1186, 1354, 2372, 2708, 2965, 3385, 4744, 5416, 5930, 6770, 7709, 8801, 11860, 13540, 15418, 17602, 23720, 27080, 30836, 35204, 38545, 44005, 61672, 70408, 77090, 88010, 154180, 176020, 308360, 352040, 401461, 802922, 1605844, 2007305, 3211688, 4014610, 5218993, 8029220, 10437986, 16058440, 20875972, 26094965, 41751944, 52189930, 104379860, 208759720]

約数ペア:

[(1, 208759720), (2, 104379860), (4, 52189930), (5, 41751944), (8, 26094965), (10, 20875972), (13, 16058440), (20, 10437986), (26, 8029220), (40, 5218993), (52, 4014610), (65, 3211688), (104, 2007305), (130, 1605844), (260, 802922), (520, 401461), (593, 352040), (677, 308360), (1186, 176020), (1354, 154180), (2372, 88010), (2708, 77090), (2965, 70408), (3385, 61672), (4744, 44005), (5416, 38545), (5930, 35204), (6770, 30836), (7709, 27080), (8801, 23720), (11860, 17602), (13540, 15418)]