About the Number

212440644

212440643 ← → 212440645

2進数表記:1100101010011001011001000100

漢数字表記:二億千二百四十四万六百四十四

素因数分解:

2 2 × 3 4 × 13 1 × 31 1 × 1627 1

素因数の和:1687
約数の個数: 120
約数和(自身を含む): 617754368
約数和(自身を除く): 405313724

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 156, 162, 186, 234, 279, 324, 351, 372, 403, 468, 558, 702, 806, 837, 1053, 1116, 1209, 1404, 1612, 1627, 1674, 2106, 2418, 2511, 3254, 3348, 3627, 4212, 4836, 4881, 5022, 6508, 7254, 9762, 10044, 10881, 14508, 14643, 19524, 21151, 21762, 29286, 32643, 42302, 43524, 43929, 50437, 58572, 63453, 65286, 84604, 87858, 100874, 126906, 130572, 131787, 151311, 175716, 190359, 201748, 253812, 263574, 302622, 380718, 453933, 527148, 571077, 605244, 655681, 761436, 907866, 1142154, 1311362, 1361799, 1713231, 1815732, 1967043, 2284308, 2622724, 2723598, 3426462, 3934086, 4085397, 5447196, 5901129, 6852924, 7868172, 8170794, 11802258, 16341588, 17703387, 23604516, 35406774, 53110161, 70813548, 106220322, 212440644]

約数ペア:
[(1, 212440644), (2, 106220322), (3, 70813548), (4, 53110161), (6, 35406774), (9, 23604516), (12, 17703387), (13, 16341588), (18, 11802258), (26, 8170794), (27, 7868172), (31, 6852924), (36, 5901129), (39, 5447196), (52, 4085397), (54, 3934086), (62, 3426462), (78, 2723598), (81, 2622724), (93, 2284308), (108, 1967043), (117, 1815732), (124, 1713231), (156, 1361799), (162, 1311362), (186, 1142154), (234, 907866), (279, 761436), (324, 655681), (351, 605244), (372, 571077), (403, 527148), (468, 453933), (558, 380718), (702, 302622), (806, 263574), (837, 253812), (1053, 201748), (1116, 190359), (1209, 175716), (1404, 151311), (1612, 131787), (1627, 130572), (1674, 126906), (2106, 100874), (2418, 87858), (2511, 84604), (3254, 65286), (3348, 63453), (3627, 58572), (4212, 50437), (4836, 43929), (4881, 43524), (5022, 42302), (6508, 32643), (7254, 29286), (9762, 21762), (10044, 21151), (10881, 19524), (14508, 14643)]

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