28680834820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1154

約数の個数: 192

約数和(自身を含む): 69979521024

約数和(自身を除く): 41298686204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 61, 62, 71, 110, 122, 124, 142, 155, 220, 244, 284, 305, 310, 341, 355, 610, 620, 671, 682, 710, 781, 971, 1220, 1342, 1364, 1420, 1562, 1705, 1891, 1942, 2201, 2684, 3124, 3355, 3410, 3782, 3884, 3905, 4331, 4402, 4855, 6710, 6820, 7564, 7810, 8662, 8804, 9455, 9710, 10681, 11005, 13420, 15620, 17324, 18910, 19420, 20801, 21362, 21655, 22010, 24211, 30101, 37820, 41602, 42724, 43310, 44020, 47641, 48422, 53405, 59231, 60202, 68941, 83204, 86620, 95282, 96844, 104005, 106810, 118462, 120404, 121055, 134261, 137882, 150505, 190564, 208010, 213620, 236924, 238205, 242110, 268522, 275764, 296155, 301010, 331111, 344705, 416020, 476410, 484220, 537044, 592310, 602020, 651541, 662222, 671305, 689410, 758351, 952820, 1184620, 1303082, 1324444, 1342610, 1378820, 1476871, 1516702, 1655555, 1836161, 2137171, 2606164, 2685220, 2953742, 3033404, 3257705, 3311110, 3672322, 3791755, 4205401, 4274342, 5907484, 6515410, 6622220, 7344644, 7384355, 7583510, 8410802, 8548684, 9180805, 10685855, 13030820, 14768710, 15167020, 16821604, 18361610, 20197771, 21027005, 21371710, 23508881, 29537420, 36723220, 40395542, 42054010, 42743420, 46259411, 47017762, 80791084, 84108020, 92518822, 94035524, 100988855, 117544405, 130367431, 185037644, 201977710, 231297055, 235088810, 260734862, 403955420, 462594110, 470177620, 521469724, 651837155, 925188220, 1303674310, 1434041741, 2607348620, 2868083482, 5736166964, 7170208705, 14340417410, 28680834820]

約数ペア:

[(1, 28680834820), (2, 14340417410), (4, 7170208705), (5, 5736166964), (10, 2868083482), (11, 2607348620), (20, 1434041741), (22, 1303674310), (31, 925188220), (44, 651837155), (55, 521469724), (61, 470177620), (62, 462594110), (71, 403955420), (110, 260734862), (122, 235088810), (124, 231297055), (142, 201977710), (155, 185037644), (220, 130367431), (244, 117544405), (284, 100988855), (305, 94035524), (310, 92518822), (341, 84108020), (355, 80791084), (610, 47017762), (620, 46259411), (671, 42743420), (682, 42054010), (710, 40395542), (781, 36723220), (971, 29537420), (1220, 23508881), (1342, 21371710), (1364, 21027005), (1420, 20197771), (1562, 18361610), (1705, 16821604), (1891, 15167020), (1942, 14768710), (2201, 13030820), (2684, 10685855), (3124, 9180805), (3355, 8548684), (3410, 8410802), (3782, 7583510), (3884, 7384355), (3905, 7344644), (4331, 6622220), (4402, 6515410), (4855, 5907484), (6710, 4274342), (6820, 4205401), (7564, 3791755), (7810, 3672322), (8662, 3311110), (8804, 3257705), (9455, 3033404), (9710, 2953742), (10681, 2685220), (11005, 2606164), (13420, 2137171), (15620, 1836161), (17324, 1655555), (18910, 1516702), (19420, 1476871), (20801, 1378820), (21362, 1342610), (21655, 1324444), (22010, 1303082), (24211, 1184620), (30101, 952820), (37820, 758351), (41602, 689410), (42724, 671305), (43310, 662222), (44020, 651541), (47641, 602020), (48422, 592310), (53405, 537044), (59231, 484220), (60202, 476410), (68941, 416020), (83204, 344705), (86620, 331111), (95282, 301010), (96844, 296155), (104005, 275764), (106810, 268522), (118462, 242110), (120404, 238205), (121055, 236924), (134261, 213620), (137882, 208010), (150505, 190564)]