1388782010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 3404021760

約数和(自身を除く): 2015239750

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 71, 77, 95, 98, 110, 133, 142, 154, 190, 191, 209, 245, 266, 355, 382, 385, 418, 490, 497, 539, 665, 710, 770, 781, 931, 955, 994, 1045, 1078, 1330, 1337, 1349, 1463, 1562, 1862, 1910, 2090, 2101, 2485, 2674, 2695, 2698, 2926, 3479, 3629, 3905, 4202, 4655, 4970, 5390, 5467, 6685, 6745, 6958, 7258, 7315, 7810, 9310, 9359, 9443, 10241, 10505, 10934, 13370, 13490, 13561, 14630, 14707, 14839, 17395, 18145, 18718, 18886, 20482, 21010, 25403, 27122, 27335, 29414, 29678, 34790, 36290, 38269, 39919, 46795, 47215, 50806, 51205, 54670, 66101, 67805, 73535, 74195, 76538, 79838, 93590, 94430, 94927, 102410, 102949, 103873, 127015, 132202, 135610, 147070, 148390, 149171, 177821, 189854, 191345, 199595, 205898, 207746, 254030, 257659, 279433, 298342, 330505, 355642, 382690, 399190, 474635, 514745, 515318, 519365, 558866, 661010, 664489, 727111, 745855, 889105, 949270, 1029490, 1038730, 1044197, 1288295, 1328978, 1397165, 1454222, 1491710, 1778210, 1803613, 1956031, 2088394, 2576590, 2794330, 2834249, 3322445, 3607226, 3635555, 3912062, 5220985, 5668498, 6644890, 7271110, 7309379, 9018065, 9780155, 10441970, 12625291, 14171245, 14618758, 18036130, 19560310, 19839743, 25250582, 28342490, 36546895, 39679486, 63126455, 73093790, 99198715, 126252910, 138878201, 198397430, 277756402, 694391005, 1388782010]

約数ペア:

[(1, 1388782010), (2, 694391005), (5, 277756402), (7, 198397430), (10, 138878201), (11, 126252910), (14, 99198715), (19, 73093790), (22, 63126455), (35, 39679486), (38, 36546895), (49, 28342490), (55, 25250582), (70, 19839743), (71, 19560310), (77, 18036130), (95, 14618758), (98, 14171245), (110, 12625291), (133, 10441970), (142, 9780155), (154, 9018065), (190, 7309379), (191, 7271110), (209, 6644890), (245, 5668498), (266, 5220985), (355, 3912062), (382, 3635555), (385, 3607226), (418, 3322445), (490, 2834249), (497, 2794330), (539, 2576590), (665, 2088394), (710, 1956031), (770, 1803613), (781, 1778210), (931, 1491710), (955, 1454222), (994, 1397165), (1045, 1328978), (1078, 1288295), (1330, 1044197), (1337, 1038730), (1349, 1029490), (1463, 949270), (1562, 889105), (1862, 745855), (1910, 727111), (2090, 664489), (2101, 661010), (2485, 558866), (2674, 519365), (2695, 515318), (2698, 514745), (2926, 474635), (3479, 399190), (3629, 382690), (3905, 355642), (4202, 330505), (4655, 298342), (4970, 279433), (5390, 257659), (5467, 254030), (6685, 207746), (6745, 205898), (6958, 199595), (7258, 191345), (7315, 189854), (7810, 177821), (9310, 149171), (9359, 148390), (9443, 147070), (10241, 135610), (10505, 132202), (10934, 127015), (13370, 103873), (13490, 102949), (13561, 102410), (14630, 94927), (14707, 94430), (14839, 93590), (17395, 79838), (18145, 76538), (18718, 74195), (18886, 73535), (20482, 67805), (21010, 66101), (25403, 54670), (27122, 51205), (27335, 50806), (29414, 47215), (29678, 46795), (34790, 39919), (36290, 38269)]