208875420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3932

約数の個数: 144

約数和(自身を含む): 712176192

約数和(自身を除く): 503300772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1794, 2070, 2340, 2691, 2990, 3588, 3881, 4140, 4485, 5382, 5980, 7762, 8970, 10764, 11643, 13455, 15524, 17940, 19405, 23286, 26910, 34929, 38810, 46572, 50453, 53820, 58215, 69858, 77620, 89263, 100906, 116430, 139716, 151359, 174645, 178526, 201812, 232860, 252265, 267789, 302718, 349290, 357052, 446315, 454077, 504530, 535578, 605436, 698580, 756795, 803367, 892630, 908154, 1009060, 1071156, 1160419, 1338945, 1513590, 1606734, 1785260, 1816308, 2270385, 2320838, 2677890, 3027180, 3213468, 3481257, 4016835, 4540770, 4641676, 5355780, 5802095, 6962514, 8033670, 9081540, 10443771, 11604190, 13925028, 16067340, 17406285, 20887542, 23208380, 34812570, 41775084, 52218855, 69625140, 104437710, 208875420]

約数ペア:

[(1, 208875420), (2, 104437710), (3, 69625140), (4, 52218855), (5, 41775084), (6, 34812570), (9, 23208380), (10, 20887542), (12, 17406285), (13, 16067340), (15, 13925028), (18, 11604190), (20, 10443771), (23, 9081540), (26, 8033670), (30, 6962514), (36, 5802095), (39, 5355780), (45, 4641676), (46, 4540770), (52, 4016835), (60, 3481257), (65, 3213468), (69, 3027180), (78, 2677890), (90, 2320838), (92, 2270385), (115, 1816308), (117, 1785260), (130, 1606734), (138, 1513590), (156, 1338945), (180, 1160419), (195, 1071156), (207, 1009060), (230, 908154), (234, 892630), (260, 803367), (276, 756795), (299, 698580), (345, 605436), (390, 535578), (414, 504530), (460, 454077), (468, 446315), (585, 357052), (598, 349290), (690, 302718), (780, 267789), (828, 252265), (897, 232860), (1035, 201812), (1170, 178526), (1196, 174645), (1380, 151359), (1495, 139716), (1794, 116430), (2070, 100906), (2340, 89263), (2691, 77620), (2990, 69858), (3588, 58215), (3881, 53820), (4140, 50453), (4485, 46572), (5382, 38810), (5980, 34929), (7762, 26910), (8970, 23286), (10764, 19405), (11643, 17940), (13455, 15524)]