261871610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26161}}^1$

素因数の和:26199

約数の個数: 64

約数和(自身を含む): 632911104

約数和(自身を除く): 371039494

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 26161, 52322, 130805, 183127, 261610, 287771, 340093, 366254, 575542, 680186, 915635, 1438855, 1700465, 1831270, 2014397, 2380651, 2877710, 3400930, 3741023, 4028794, 4761302, 7482046, 10071985, 11903255, 18705115, 20143970, 23806510, 26187161, 37410230, 52374322, 130935805, 261871610]

約数ペア:

[(1, 261871610), (2, 130935805), (5, 52374322), (7, 37410230), (10, 26187161), (11, 23806510), (13, 20143970), (14, 18705115), (22, 11903255), (26, 10071985), (35, 7482046), (55, 4761302), (65, 4028794), (70, 3741023), (77, 3400930), (91, 2877710), (110, 2380651), (130, 2014397), (143, 1831270), (154, 1700465), (182, 1438855), (286, 915635), (385, 680186), (455, 575542), (715, 366254), (770, 340093), (910, 287771), (1001, 261610), (1430, 183127), (2002, 130805), (5005, 52322), (10010, 26161)]