213769820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:635

約数の個数: 96

約数和(自身を含む): 518192640

約数和(自身を除く): 304422820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 83, 92, 110, 115, 166, 220, 230, 253, 332, 415, 460, 506, 509, 830, 913, 1012, 1018, 1265, 1660, 1826, 1909, 2036, 2530, 2545, 3652, 3818, 4565, 5060, 5090, 5599, 7636, 9130, 9545, 10180, 11198, 11707, 18260, 19090, 20999, 22396, 23414, 27995, 38180, 41998, 42247, 46828, 55990, 58535, 83996, 84494, 104995, 111980, 117070, 128777, 168988, 209990, 211235, 234140, 257554, 419980, 422470, 464717, 515108, 643885, 844940, 929434, 971681, 1287770, 1858868, 1943362, 2323585, 2575540, 3886724, 4647170, 4858405, 9294340, 9716810, 10688491, 19433620, 21376982, 42753964, 53442455, 106884910, 213769820]

約数ペア:

[(1, 213769820), (2, 106884910), (4, 53442455), (5, 42753964), (10, 21376982), (11, 19433620), (20, 10688491), (22, 9716810), (23, 9294340), (44, 4858405), (46, 4647170), (55, 3886724), (83, 2575540), (92, 2323585), (110, 1943362), (115, 1858868), (166, 1287770), (220, 971681), (230, 929434), (253, 844940), (332, 643885), (415, 515108), (460, 464717), (506, 422470), (509, 419980), (830, 257554), (913, 234140), (1012, 211235), (1018, 209990), (1265, 168988), (1660, 128777), (1826, 117070), (1909, 111980), (2036, 104995), (2530, 84494), (2545, 83996), (3652, 58535), (3818, 55990), (4565, 46828), (5060, 42247), (5090, 41998), (5599, 38180), (7636, 27995), (9130, 23414), (9545, 22396), (10180, 20999), (11198, 19090), (11707, 18260)]