779385100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{907}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 1826129648

約数和(自身を除く): 1046744548

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 661, 907, 1300, 1322, 1814, 2644, 3305, 3628, 4535, 6610, 8593, 9070, 11791, 13220, 16525, 17186, 18140, 22675, 23582, 33050, 34372, 42965, 45350, 47164, 58955, 66100, 85930, 90700, 117910, 171860, 214825, 235820, 294775, 429650, 589550, 599527, 859300, 1179100, 1199054, 2398108, 2997635, 5995270, 7793851, 11990540, 14988175, 15587702, 29976350, 31175404, 38969255, 59952700, 77938510, 155877020, 194846275, 389692550, 779385100]

約数ペア:

[(1, 779385100), (2, 389692550), (4, 194846275), (5, 155877020), (10, 77938510), (13, 59952700), (20, 38969255), (25, 31175404), (26, 29976350), (50, 15587702), (52, 14988175), (65, 11990540), (100, 7793851), (130, 5995270), (260, 2997635), (325, 2398108), (650, 1199054), (661, 1179100), (907, 859300), (1300, 599527), (1322, 589550), (1814, 429650), (2644, 294775), (3305, 235820), (3628, 214825), (4535, 171860), (6610, 117910), (8593, 90700), (9070, 85930), (11791, 66100), (13220, 58955), (16525, 47164), (17186, 45350), (18140, 42965), (22675, 34372), (23582, 33050)]