209905008

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 390056592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 47, 48, 57, 59, 76, 83, 94, 114, 118, 141, 152, 166, 177, 188, 228, 236, 249, 282, 304, 332, 354, 376, 456, 472, 498, 564, 664, 708, 752, 893, 912, 944, 996, 1121, 1128, 1328, 1416, 1577, 1786, 1992, 2242, 2256, 2679, 2773, 2832, 3154, 3363, 3572, 3901, 3984, 4484, 4731, 4897, 5358, 5546, 6308, 6726, 7144, 7802, 8319, 8968, 9462, 9794, 10716, 11092, 11703, 12616, 13452, 14288, 14691, 15604, 16638, 17936, 18924, 19588, 21432, 22184, 23406, 25232, 26904, 29382, 31208, 33276, 37848, 39176, 42864, 44368, 46812, 52687, 53808, 58764, 62416, 66552, 74119, 75696, 78352, 93043, 93624, 105374, 117528, 133104, 148238, 158061, 186086, 187248, 210748, 222357, 230159, 235056, 279129, 296476, 316122, 372172, 421496, 444714, 460318, 558258, 592952, 632244, 690477, 744344, 842992, 889428, 920636, 1116516, 1185904, 1264488, 1380954, 1488688, 1778856, 1841272, 2233032, 2528976, 2761908, 3557712, 3682544, 4373021, 4466064, 5523816, 8746042, 11047632, 13119063, 17492084, 26238126, 34984168, 52476252, 69968336, 104952504, 209905008]

約数ペア:

[(1, 209905008), (2, 104952504), (3, 69968336), (4, 52476252), (6, 34984168), (8, 26238126), (12, 17492084), (16, 13119063), (19, 11047632), (24, 8746042), (38, 5523816), (47, 4466064), (48, 4373021), (57, 3682544), (59, 3557712), (76, 2761908), (83, 2528976), (94, 2233032), (114, 1841272), (118, 1778856), (141, 1488688), (152, 1380954), (166, 1264488), (177, 1185904), (188, 1116516), (228, 920636), (236, 889428), (249, 842992), (282, 744344), (304, 690477), (332, 632244), (354, 592952), (376, 558258), (456, 460318), (472, 444714), (498, 421496), (564, 372172), (664, 316122), (708, 296476), (752, 279129), (893, 235056), (912, 230159), (944, 222357), (996, 210748), (1121, 187248), (1128, 186086), (1328, 158061), (1416, 148238), (1577, 133104), (1786, 117528), (1992, 105374), (2242, 93624), (2256, 93043), (2679, 78352), (2773, 75696), (2832, 74119), (3154, 66552), (3363, 62416), (3572, 58764), (3901, 53808), (3984, 52687), (4484, 46812), (4731, 44368), (4897, 42864), (5358, 39176), (5546, 37848), (6308, 33276), (6726, 31208), (7144, 29382), (7802, 26904), (8319, 25232), (8968, 23406), (9462, 22184), (9794, 21432), (10716, 19588), (11092, 18924), (11703, 17936), (12616, 16638), (13452, 15604), (14288, 14691)]