785336890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 1556755200

約数和(自身を除く): 771418310

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 103, 130, 178, 206, 445, 515, 659, 890, 1030, 1157, 1318, 1339, 2314, 2678, 3295, 5785, 6590, 6695, 8567, 9167, 11570, 13390, 17134, 18334, 42835, 45835, 58651, 67877, 85670, 91670, 117302, 119171, 135754, 238342, 293255, 339385, 586510, 595855, 678770, 762463, 882401, 1191710, 1524926, 1764802, 3812315, 4412005, 6041053, 7624630, 8824010, 12082106, 30205265, 60410530, 78533689, 157067378, 392668445, 785336890]

約数ペア:

[(1, 785336890), (2, 392668445), (5, 157067378), (10, 78533689), (13, 60410530), (26, 30205265), (65, 12082106), (89, 8824010), (103, 7624630), (130, 6041053), (178, 4412005), (206, 3812315), (445, 1764802), (515, 1524926), (659, 1191710), (890, 882401), (1030, 762463), (1157, 678770), (1318, 595855), (1339, 586510), (2314, 339385), (2678, 293255), (3295, 238342), (5785, 135754), (6590, 119171), (6695, 117302), (8567, 91670), (9167, 85670), (11570, 67877), (13390, 58651), (17134, 45835), (18334, 42835)]