708398210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 1397088000

約数和(自身を除く): 688689790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 197, 199, 278, 394, 398, 695, 985, 995, 1390, 1807, 1970, 1990, 2561, 2587, 3614, 5122, 5174, 9035, 12805, 12935, 18070, 25610, 25870, 27383, 27661, 39203, 54766, 55322, 78406, 136915, 138305, 196015, 273830, 276610, 355979, 359593, 392030, 509639, 711958, 719186, 1019278, 1779895, 1797965, 2548195, 3559790, 3595930, 5096390, 5449217, 10898434, 27246085, 54492170, 70839821, 141679642, 354199105, 708398210]

約数ペア:

[(1, 708398210), (2, 354199105), (5, 141679642), (10, 70839821), (13, 54492170), (26, 27246085), (65, 10898434), (130, 5449217), (139, 5096390), (197, 3595930), (199, 3559790), (278, 2548195), (394, 1797965), (398, 1779895), (695, 1019278), (985, 719186), (995, 711958), (1390, 509639), (1807, 392030), (1970, 359593), (1990, 355979), (2561, 276610), (2587, 273830), (3614, 196015), (5122, 138305), (5174, 136915), (9035, 78406), (12805, 55322), (12935, 54766), (18070, 39203), (25610, 27661), (25870, 27383)]