495300520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 1321246080

約数和(自身を除く): 825945560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 131, 143, 220, 260, 262, 286, 440, 520, 524, 572, 655, 661, 715, 1048, 1144, 1310, 1322, 1430, 1441, 1703, 2620, 2644, 2860, 2882, 3305, 3406, 5240, 5288, 5720, 5764, 6610, 6812, 7205, 7271, 8515, 8593, 11528, 13220, 13624, 14410, 14542, 17030, 17186, 18733, 26440, 28820, 29084, 34060, 34372, 36355, 37466, 42965, 57640, 58168, 68120, 68744, 72710, 74932, 85930, 86591, 93665, 94523, 145420, 149864, 171860, 173182, 187330, 189046, 290840, 343720, 346364, 374660, 378092, 432955, 472615, 692728, 749320, 756184, 865910, 945230, 952501, 1125683, 1731820, 1890460, 1905002, 2251366, 3463640, 3780920, 3810004, 4502732, 4762505, 5628415, 7620008, 9005464, 9525010, 11256830, 12382513, 19050020, 22513660, 24765026, 38100040, 45027320, 49530052, 61912565, 99060104, 123825130, 247650260, 495300520]

約数ペア:

[(1, 495300520), (2, 247650260), (4, 123825130), (5, 99060104), (8, 61912565), (10, 49530052), (11, 45027320), (13, 38100040), (20, 24765026), (22, 22513660), (26, 19050020), (40, 12382513), (44, 11256830), (52, 9525010), (55, 9005464), (65, 7620008), (88, 5628415), (104, 4762505), (110, 4502732), (130, 3810004), (131, 3780920), (143, 3463640), (220, 2251366), (260, 1905002), (262, 1890460), (286, 1731820), (440, 1125683), (520, 952501), (524, 945230), (572, 865910), (655, 756184), (661, 749320), (715, 692728), (1048, 472615), (1144, 432955), (1310, 378092), (1322, 374660), (1430, 346364), (1441, 343720), (1703, 290840), (2620, 189046), (2644, 187330), (2860, 173182), (2882, 171860), (3305, 149864), (3406, 145420), (5240, 94523), (5288, 93665), (5720, 86591), (5764, 85930), (6610, 74932), (6812, 72710), (7205, 68744), (7271, 68120), (8515, 58168), (8593, 57640), (11528, 42965), (13220, 37466), (13624, 36355), (14410, 34372), (14542, 34060), (17030, 29084), (17186, 28820), (18733, 26440)]