259771820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 720728064

約数和(自身を除く): 460956244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 47, 55, 70, 74, 77, 94, 97, 110, 140, 148, 154, 185, 188, 194, 220, 235, 259, 308, 329, 370, 385, 388, 407, 470, 485, 517, 518, 658, 679, 740, 770, 814, 940, 970, 1034, 1036, 1067, 1295, 1316, 1358, 1540, 1628, 1645, 1739, 1940, 2035, 2068, 2134, 2585, 2590, 2716, 2849, 3290, 3395, 3478, 3589, 3619, 4070, 4268, 4559, 5170, 5180, 5335, 5698, 6580, 6790, 6956, 7178, 7238, 7469, 8140, 8695, 9118, 10340, 10670, 11396, 12173, 13580, 14245, 14356, 14476, 14938, 17390, 17945, 18095, 18236, 19129, 21340, 22795, 24346, 25123, 28490, 29876, 31913, 34780, 35890, 36190, 37345, 38258, 39479, 45590, 48692, 50149, 50246, 56980, 60865, 63826, 71780, 72380, 74690, 76516, 78958, 91180, 95645, 100298, 100492, 121730, 125615, 127652, 133903, 149380, 157916, 159565, 168683, 191290, 197395, 200596, 243460, 250745, 251230, 267806, 276353, 319130, 337366, 351043, 382580, 394790, 501490, 502460, 535612, 552706, 638260, 669515, 674732, 702086, 789580, 843415, 1002980, 1105412, 1180781, 1339030, 1381765, 1404172, 1686830, 1755215, 1855513, 2361562, 2678060, 2763530, 3373660, 3510430, 3711026, 4723124, 5527060, 5903905, 7020860, 7422052, 9277565, 11807810, 12988591, 18555130, 23615620, 25977182, 37110260, 51954364, 64942955, 129885910, 259771820]

約数ペア:

[(1, 259771820), (2, 129885910), (4, 64942955), (5, 51954364), (7, 37110260), (10, 25977182), (11, 23615620), (14, 18555130), (20, 12988591), (22, 11807810), (28, 9277565), (35, 7422052), (37, 7020860), (44, 5903905), (47, 5527060), (55, 4723124), (70, 3711026), (74, 3510430), (77, 3373660), (94, 2763530), (97, 2678060), (110, 2361562), (140, 1855513), (148, 1755215), (154, 1686830), (185, 1404172), (188, 1381765), (194, 1339030), (220, 1180781), (235, 1105412), (259, 1002980), (308, 843415), (329, 789580), (370, 702086), (385, 674732), (388, 669515), (407, 638260), (470, 552706), (485, 535612), (517, 502460), (518, 501490), (658, 394790), (679, 382580), (740, 351043), (770, 337366), (814, 319130), (940, 276353), (970, 267806), (1034, 251230), (1036, 250745), (1067, 243460), (1295, 200596), (1316, 197395), (1358, 191290), (1540, 168683), (1628, 159565), (1645, 157916), (1739, 149380), (1940, 133903), (2035, 127652), (2068, 125615), (2134, 121730), (2585, 100492), (2590, 100298), (2716, 95645), (2849, 91180), (3290, 78958), (3395, 76516), (3478, 74690), (3589, 72380), (3619, 71780), (4070, 63826), (4268, 60865), (4559, 56980), (5170, 50246), (5180, 50149), (5335, 48692), (5698, 45590), (6580, 39479), (6790, 38258), (6956, 37345), (7178, 36190), (7238, 35890), (7469, 34780), (8140, 31913), (8695, 29876), (9118, 28490), (10340, 25123), (10670, 24346), (11396, 22795), (12173, 21340), (13580, 19129), (14245, 18236), (14356, 18095), (14476, 17945), (14938, 17390)]