869388520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21713}}^1$

素因数の和:21755

約数の個数: 128

約数和(自身を含む): 2626525440

約数和(自身を除く): 1757136920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 21713, 40040, 43426, 86852, 108565, 151991, 173704, 217130, 238843, 282269, 303982, 434260, 477686, 564538, 607964, 759955, 868520, 955372, 1129076, 1194215, 1215928, 1411345, 1519910, 1671901, 1910744, 1975883, 2258152, 2388430, 2822690, 3039820, 3104959, 3343802, 3951766, 4776860, 5645380, 6079640, 6209918, 6687604, 7903532, 8359505, 9553720, 9879415, 11290760, 12419836, 13375208, 15524795, 15807064, 16719010, 19758830, 21734713, 24839672, 31049590, 33438020, 39517660, 43469426, 62099180, 66876040, 79035320, 86938852, 108673565, 124198360, 173877704, 217347130, 434694260, 869388520]

約数ペア:

[(1, 869388520), (2, 434694260), (4, 217347130), (5, 173877704), (7, 124198360), (8, 108673565), (10, 86938852), (11, 79035320), (13, 66876040), (14, 62099180), (20, 43469426), (22, 39517660), (26, 33438020), (28, 31049590), (35, 24839672), (40, 21734713), (44, 19758830), (52, 16719010), (55, 15807064), (56, 15524795), (65, 13375208), (70, 12419836), (77, 11290760), (88, 9879415), (91, 9553720), (104, 8359505), (110, 7903532), (130, 6687604), (140, 6209918), (143, 6079640), (154, 5645380), (182, 4776860), (220, 3951766), (260, 3343802), (280, 3104959), (286, 3039820), (308, 2822690), (364, 2388430), (385, 2258152), (440, 1975883), (455, 1910744), (520, 1671901), (572, 1519910), (616, 1411345), (715, 1215928), (728, 1194215), (770, 1129076), (910, 955372), (1001, 868520), (1144, 759955), (1430, 607964), (1540, 564538), (1820, 477686), (2002, 434260), (2860, 303982), (3080, 282269), (3640, 238843), (4004, 217130), (5005, 173704), (5720, 151991), (8008, 108565), (10010, 86852), (20020, 43426), (21713, 40040)]