256390841252

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{877}}^1$

素因数の和:1395

約数の個数: 192

約数和(自身を含む): 580693747200

約数和(自身を除く): 324302905948

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 343, 364, 443, 481, 518, 637, 686, 877, 886, 962, 1036, 1274, 1372, 1754, 1772, 1813, 1924, 2548, 3101, 3367, 3508, 3626, 4459, 5759, 6139, 6202, 6734, 7252, 8918, 11401, 11518, 12278, 12404, 12691, 13468, 16391, 17836, 21707, 22802, 23036, 23569, 24556, 25382, 32449, 32782, 40313, 42973, 43414, 45604, 47138, 50764, 64898, 65564, 79807, 80626, 85946, 86828, 94276, 114737, 129796, 151949, 159614, 161252, 164983, 171892, 213083, 227143, 229474, 282191, 300811, 303898, 319228, 329966, 388511, 421837, 426166, 454286, 458948, 558649, 564382, 601622, 607796, 659932, 777022, 803159, 843674, 852332, 908572, 1117298, 1128764, 1203244, 1491581, 1554044, 1590001, 1606318, 1687348, 1975337, 2234596, 2719577, 2952859, 2983162, 3180002, 3212636, 3910543, 3950674, 5050643, 5439154, 5622113, 5905718, 5966324, 6360004, 7821086, 7901348, 10101286, 10441067, 10878308, 11130007, 11244226, 11811436, 14374907, 15642172, 19037039, 20202572, 20670013, 20882134, 22260014, 22488452, 28749814, 35354501, 38074078, 41340026, 41764268, 44520028, 57499628, 70709002, 73087469, 76148156, 82680052, 100624349, 133259273, 141418004, 144690091, 146174938, 186873791, 201248698, 247481507, 266518546, 289380182, 292349876, 373747582, 402497396, 494963014, 533037092, 578760364, 704370443, 747495164, 989926028, 1308116537, 1408740886, 1732370549, 2616233074, 2817481772, 3464741098, 4930593101, 5232466148, 6929482196, 9156815759, 9861186202, 18313631518, 19722372404, 36627263036, 64097710313, 128195420626, 256390841252]

約数ペア:

[(1, 256390841252), (2, 128195420626), (4, 64097710313), (7, 36627263036), (13, 19722372404), (14, 18313631518), (26, 9861186202), (28, 9156815759), (37, 6929482196), (49, 5232466148), (52, 4930593101), (74, 3464741098), (91, 2817481772), (98, 2616233074), (148, 1732370549), (182, 1408740886), (196, 1308116537), (259, 989926028), (343, 747495164), (364, 704370443), (443, 578760364), (481, 533037092), (518, 494963014), (637, 402497396), (686, 373747582), (877, 292349876), (886, 289380182), (962, 266518546), (1036, 247481507), (1274, 201248698), (1372, 186873791), (1754, 146174938), (1772, 144690091), (1813, 141418004), (1924, 133259273), (2548, 100624349), (3101, 82680052), (3367, 76148156), (3508, 73087469), (3626, 70709002), (4459, 57499628), (5759, 44520028), (6139, 41764268), (6202, 41340026), (6734, 38074078), (7252, 35354501), (8918, 28749814), (11401, 22488452), (11518, 22260014), (12278, 20882134), (12404, 20670013), (12691, 20202572), (13468, 19037039), (16391, 15642172), (17836, 14374907), (21707, 11811436), (22802, 11244226), (23036, 11130007), (23569, 10878308), (24556, 10441067), (25382, 10101286), (32449, 7901348), (32782, 7821086), (40313, 6360004), (42973, 5966324), (43414, 5905718), (45604, 5622113), (47138, 5439154), (50764, 5050643), (64898, 3950674), (65564, 3910543), (79807, 3212636), (80626, 3180002), (85946, 2983162), (86828, 2952859), (94276, 2719577), (114737, 2234596), (129796, 1975337), (151949, 1687348), (159614, 1606318), (161252, 1590001), (164983, 1554044), (171892, 1491581), (213083, 1203244), (227143, 1128764), (229474, 1117298), (282191, 908572), (300811, 852332), (303898, 843674), (319228, 803159), (329966, 777022), (388511, 659932), (421837, 607796), (426166, 601622), (454286, 564382), (458948, 558649)]