205921970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{3793}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 381069360

約数和(自身を除く): 175147390

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 3793, 5429, 7586, 10858, 18965, 27145, 37930, 54290, 231373, 337577, 462746, 675154, 1156865, 1687885, 2313730, 3375770, 20592197, 41184394, 102960985, 205921970]

約数ペア:

[(1, 205921970), (2, 102960985), (5, 41184394), (10, 20592197), (61, 3375770), (89, 2313730), (122, 1687885), (178, 1156865), (305, 675154), (445, 462746), (610, 337577), (890, 231373), (3793, 54290), (5429, 37930), (7586, 27145), (10858, 18965)]