209213290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6415

約数の個数: 64

約数和(自身を含む): 461728512

約数和(自身を除く): 252515222

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 715, 1265, 1430, 1495, 2530, 2990, 3289, 6361, 6578, 12722, 16445, 31805, 32890, 63610, 69971, 82693, 139942, 146303, 165386, 292606, 349855, 413465, 699710, 731515, 826930, 909623, 1463030, 1609333, 1819246, 1901939, 3218666, 3803878, 4548115, 8046665, 9096230, 9509695, 16093330, 19019390, 20921329, 41842658, 104606645, 209213290]

約数ペア:

[(1, 209213290), (2, 104606645), (5, 41842658), (10, 20921329), (11, 19019390), (13, 16093330), (22, 9509695), (23, 9096230), (26, 8046665), (46, 4548115), (55, 3803878), (65, 3218666), (110, 1901939), (115, 1819246), (130, 1609333), (143, 1463030), (230, 909623), (253, 826930), (286, 731515), (299, 699710), (506, 413465), (598, 349855), (715, 292606), (1265, 165386), (1430, 146303), (1495, 139942), (2530, 82693), (2990, 69971), (3289, 63610), (6361, 32890), (6578, 31805), (12722, 16445)]