199989090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 612214200

約数和(自身を除く): 412225110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 101, 105, 126, 147, 202, 210, 245, 294, 303, 315, 441, 449, 490, 505, 606, 630, 707, 735, 882, 898, 909, 1010, 1347, 1414, 1470, 1515, 1818, 2121, 2205, 2245, 2694, 3030, 3143, 3535, 4041, 4242, 4410, 4490, 4545, 4949, 6286, 6363, 6735, 7070, 8082, 9090, 9429, 9898, 10605, 12726, 13470, 14847, 15715, 18858, 20205, 21210, 22001, 24745, 28287, 29694, 31430, 31815, 40410, 44002, 44541, 45349, 47145, 49490, 56574, 63630, 66003, 74235, 89082, 90698, 94290, 110005, 132006, 136047, 141435, 148470, 198009, 220010, 222705, 226745, 272094, 282870, 317443, 330015, 396018, 408141, 445410, 453490, 634886, 660030, 680235, 816282, 952329, 990045, 1360470, 1587215, 1904658, 1980090, 2040705, 2222101, 2856987, 3174430, 4081410, 4444202, 4761645, 5713974, 6666303, 9523290, 11110505, 13332606, 14284935, 19998909, 22221010, 28569870, 33331515, 39997818, 66663030, 99994545, 199989090]

約数ペア:

[(1, 199989090), (2, 99994545), (3, 66663030), (5, 39997818), (6, 33331515), (7, 28569870), (9, 22221010), (10, 19998909), (14, 14284935), (15, 13332606), (18, 11110505), (21, 9523290), (30, 6666303), (35, 5713974), (42, 4761645), (45, 4444202), (49, 4081410), (63, 3174430), (70, 2856987), (90, 2222101), (98, 2040705), (101, 1980090), (105, 1904658), (126, 1587215), (147, 1360470), (202, 990045), (210, 952329), (245, 816282), (294, 680235), (303, 660030), (315, 634886), (441, 453490), (449, 445410), (490, 408141), (505, 396018), (606, 330015), (630, 317443), (707, 282870), (735, 272094), (882, 226745), (898, 222705), (909, 220010), (1010, 198009), (1347, 148470), (1414, 141435), (1470, 136047), (1515, 132006), (1818, 110005), (2121, 94290), (2205, 90698), (2245, 89082), (2694, 74235), (3030, 66003), (3143, 63630), (3535, 56574), (4041, 49490), (4242, 47145), (4410, 45349), (4490, 44541), (4545, 44002), (4949, 40410), (6286, 31815), (6363, 31430), (6735, 29694), (7070, 28287), (8082, 24745), (9090, 22001), (9429, 21210), (9898, 20205), (10605, 18858), (12726, 15715), (13470, 14847)]