690286610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 1391330304

約数和(自身を除く): 701043694

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 157, 310, 314, 403, 785, 806, 1091, 1570, 2015, 2041, 2182, 4030, 4082, 4867, 5455, 9734, 10205, 10910, 14183, 20410, 24335, 28366, 33821, 48670, 63271, 67642, 70915, 126542, 141830, 169105, 171287, 316355, 338210, 342574, 439673, 632710, 856435, 879346, 1712870, 2198365, 2226731, 4396730, 4453462, 5309897, 10619794, 11133655, 22267310, 26549485, 53098970, 69028661, 138057322, 345143305, 690286610]

約数ペア:

[(1, 690286610), (2, 345143305), (5, 138057322), (10, 69028661), (13, 53098970), (26, 26549485), (31, 22267310), (62, 11133655), (65, 10619794), (130, 5309897), (155, 4453462), (157, 4396730), (310, 2226731), (314, 2198365), (403, 1712870), (785, 879346), (806, 856435), (1091, 632710), (1570, 439673), (2015, 342574), (2041, 338210), (2182, 316355), (4030, 171287), (4082, 169105), (4867, 141830), (5455, 126542), (9734, 70915), (10205, 67642), (10910, 63271), (14183, 48670), (20410, 33821), (24335, 28366)]