880291490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{69809}}^1$

素因数の和:69926

約数の個数: 32

約数和(自身を含む): 1724027760

約数和(自身を除く): 843736270

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 2522, 6305, 12610, 69809, 139618, 349045, 698090, 907517, 1815034, 4537585, 6771473, 9075170, 13542946, 33857365, 67714730, 88029149, 176058298, 440145745, 880291490]

約数ペア:

[(1, 880291490), (2, 440145745), (5, 176058298), (10, 88029149), (13, 67714730), (26, 33857365), (65, 13542946), (97, 9075170), (130, 6771473), (194, 4537585), (485, 1815034), (970, 907517), (1261, 698090), (2522, 349045), (6305, 139618), (12610, 69809)]