214949090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 419126400

約数和(自身を除く): 204177310

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 107, 109, 190, 194, 214, 218, 485, 535, 545, 970, 1070, 1090, 1843, 2033, 2071, 3686, 4066, 4142, 9215, 10165, 10355, 10379, 10573, 11663, 18430, 20330, 20710, 20758, 21146, 23326, 51895, 52865, 58315, 103790, 105730, 116630, 197201, 200887, 221597, 394402, 401774, 443194, 986005, 1004435, 1107985, 1131311, 1972010, 2008870, 2215970, 2262622, 5656555, 11313110, 21494909, 42989818, 107474545, 214949090]

約数ペア:

[(1, 214949090), (2, 107474545), (5, 42989818), (10, 21494909), (19, 11313110), (38, 5656555), (95, 2262622), (97, 2215970), (107, 2008870), (109, 1972010), (190, 1131311), (194, 1107985), (214, 1004435), (218, 986005), (485, 443194), (535, 401774), (545, 394402), (970, 221597), (1070, 200887), (1090, 197201), (1843, 116630), (2033, 105730), (2071, 103790), (3686, 58315), (4066, 52865), (4142, 51895), (9215, 23326), (10165, 21146), (10355, 20758), (10379, 20710), (10573, 20330), (11663, 18430)]