207799220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 469421568

約数和(自身を除く): 261622348

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 53, 86, 94, 97, 106, 172, 188, 194, 212, 215, 235, 265, 388, 430, 470, 485, 530, 860, 940, 970, 1060, 1940, 2021, 2279, 2491, 4042, 4171, 4558, 4559, 4982, 5141, 8084, 8342, 9116, 9118, 9964, 10105, 10282, 11395, 12455, 16684, 18236, 20210, 20564, 20855, 22790, 22795, 24910, 25705, 40420, 41710, 45580, 45590, 49820, 51410, 83420, 91180, 102820, 107113, 196037, 214226, 221063, 241627, 392074, 428452, 442126, 483254, 535565, 784148, 884252, 966508, 980185, 1071130, 1105315, 1208135, 1960370, 2142260, 2210630, 2416270, 3920740, 4421260, 4832540, 10389961, 20779922, 41559844, 51949805, 103899610, 207799220]

約数ペア:

[(1, 207799220), (2, 103899610), (4, 51949805), (5, 41559844), (10, 20779922), (20, 10389961), (43, 4832540), (47, 4421260), (53, 3920740), (86, 2416270), (94, 2210630), (97, 2142260), (106, 1960370), (172, 1208135), (188, 1105315), (194, 1071130), (212, 980185), (215, 966508), (235, 884252), (265, 784148), (388, 535565), (430, 483254), (470, 442126), (485, 428452), (530, 392074), (860, 241627), (940, 221063), (970, 214226), (1060, 196037), (1940, 107113), (2021, 102820), (2279, 91180), (2491, 83420), (4042, 51410), (4171, 49820), (4558, 45590), (4559, 45580), (4982, 41710), (5141, 40420), (8084, 25705), (8342, 24910), (9116, 22795), (9118, 22790), (9964, 20855), (10105, 20564), (10282, 20210), (11395, 18236), (12455, 16684)]