996898760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 2647814400

約数和(自身を除く): 1650915640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 397, 439, 440, 520, 572, 715, 794, 878, 1144, 1430, 1588, 1756, 1985, 2195, 2860, 3176, 3512, 3970, 4367, 4390, 4829, 5161, 5707, 5720, 7940, 8734, 8780, 9658, 10322, 11414, 15880, 17468, 17560, 19316, 20644, 21835, 22828, 24145, 25805, 28535, 34936, 38632, 41288, 43670, 45656, 48290, 51610, 56771, 57070, 62777, 87340, 96580, 103220, 113542, 114140, 125554, 174283, 174680, 193160, 206440, 227084, 228280, 251108, 283855, 313885, 348566, 454168, 502216, 567710, 627770, 697132, 871415, 1135420, 1255540, 1394264, 1742830, 1917113, 2265679, 2270840, 2511080, 3485660, 3834226, 4531358, 6971320, 7668452, 9062716, 9585565, 11328395, 15336904, 18125432, 19171130, 22656790, 24922469, 38342260, 45313580, 49844938, 76684520, 90627160, 99689876, 124612345, 199379752, 249224690, 498449380, 996898760]

約数ペア:

[(1, 996898760), (2, 498449380), (4, 249224690), (5, 199379752), (8, 124612345), (10, 99689876), (11, 90627160), (13, 76684520), (20, 49844938), (22, 45313580), (26, 38342260), (40, 24922469), (44, 22656790), (52, 19171130), (55, 18125432), (65, 15336904), (88, 11328395), (104, 9585565), (110, 9062716), (130, 7668452), (143, 6971320), (220, 4531358), (260, 3834226), (286, 3485660), (397, 2511080), (439, 2270840), (440, 2265679), (520, 1917113), (572, 1742830), (715, 1394264), (794, 1255540), (878, 1135420), (1144, 871415), (1430, 697132), (1588, 627770), (1756, 567710), (1985, 502216), (2195, 454168), (2860, 348566), (3176, 313885), (3512, 283855), (3970, 251108), (4367, 228280), (4390, 227084), (4829, 206440), (5161, 193160), (5707, 174680), (5720, 174283), (7940, 125554), (8734, 114140), (8780, 113542), (9658, 103220), (10322, 96580), (11414, 87340), (15880, 62777), (17468, 57070), (17560, 56771), (19316, 51610), (20644, 48290), (21835, 45656), (22828, 43670), (24145, 41288), (25805, 38632), (28535, 34936)]