200677990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 391412736

約数和(自身を除く): 190734746

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 103, 115, 197, 206, 215, 230, 394, 430, 515, 985, 989, 1030, 1970, 1978, 2369, 4429, 4531, 4738, 4945, 8471, 8858, 9062, 9890, 11845, 16942, 20291, 22145, 22655, 23690, 40582, 42355, 44290, 45310, 84710, 101455, 101867, 194833, 202910, 203734, 389666, 466693, 509335, 872513, 933386, 974165, 1018670, 1745026, 1948330, 2333465, 4362565, 4666930, 8725130, 20067799, 40135598, 100338995, 200677990]

約数ペア:

[(1, 200677990), (2, 100338995), (5, 40135598), (10, 20067799), (23, 8725130), (43, 4666930), (46, 4362565), (86, 2333465), (103, 1948330), (115, 1745026), (197, 1018670), (206, 974165), (215, 933386), (230, 872513), (394, 509335), (430, 466693), (515, 389666), (985, 203734), (989, 202910), (1030, 194833), (1970, 101867), (1978, 101455), (2369, 84710), (4429, 45310), (4531, 44290), (4738, 42355), (4945, 40582), (8471, 23690), (8858, 22655), (9062, 22145), (9890, 20291), (11845, 16942)]