209507376

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 160

約数和(自身を含む): 629959680

約数和(自身を除く): 420452304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 41, 48, 52, 57, 76, 78, 82, 104, 114, 123, 152, 156, 164, 208, 228, 246, 247, 304, 312, 328, 431, 456, 492, 494, 533, 624, 656, 741, 779, 862, 912, 984, 988, 1066, 1293, 1482, 1558, 1599, 1724, 1968, 1976, 2132, 2337, 2586, 2964, 3116, 3198, 3448, 3952, 4264, 4674, 5172, 5603, 5928, 6232, 6396, 6896, 8189, 8528, 9348, 10127, 10344, 11206, 11856, 12464, 12792, 16378, 16809, 17671, 18696, 20254, 20688, 22412, 24567, 25584, 30381, 32756, 33618, 35342, 37392, 40508, 44824, 49134, 53013, 60762, 65512, 67236, 70684, 81016, 89648, 98268, 106026, 106457, 121524, 131024, 134472, 141368, 162032, 196536, 212052, 212914, 229723, 243048, 268944, 282736, 319371, 335749, 393072, 424104, 425828, 459446, 486096, 638742, 671498, 689169, 848208, 851656, 918892, 1007247, 1277484, 1342996, 1378338, 1703312, 1837784, 2014494, 2554968, 2685992, 2756676, 3675568, 4028988, 4364737, 5109936, 5371984, 5513352, 8057976, 8729474, 11026704, 13094211, 16115952, 17458948, 26188422, 34917896, 52376844, 69835792, 104753688, 209507376]

約数ペア:

[(1, 209507376), (2, 104753688), (3, 69835792), (4, 52376844), (6, 34917896), (8, 26188422), (12, 17458948), (13, 16115952), (16, 13094211), (19, 11026704), (24, 8729474), (26, 8057976), (38, 5513352), (39, 5371984), (41, 5109936), (48, 4364737), (52, 4028988), (57, 3675568), (76, 2756676), (78, 2685992), (82, 2554968), (104, 2014494), (114, 1837784), (123, 1703312), (152, 1378338), (156, 1342996), (164, 1277484), (208, 1007247), (228, 918892), (246, 851656), (247, 848208), (304, 689169), (312, 671498), (328, 638742), (431, 486096), (456, 459446), (492, 425828), (494, 424104), (533, 393072), (624, 335749), (656, 319371), (741, 282736), (779, 268944), (862, 243048), (912, 229723), (984, 212914), (988, 212052), (1066, 196536), (1293, 162032), (1482, 141368), (1558, 134472), (1599, 131024), (1724, 121524), (1968, 106457), (1976, 106026), (2132, 98268), (2337, 89648), (2586, 81016), (2964, 70684), (3116, 67236), (3198, 65512), (3448, 60762), (3952, 53013), (4264, 49134), (4674, 44824), (5172, 40508), (5603, 37392), (5928, 35342), (6232, 33618), (6396, 32756), (6896, 30381), (8189, 25584), (8528, 24567), (9348, 22412), (10127, 20688), (10344, 20254), (11206, 18696), (11856, 17671), (12464, 16809), (12792, 16378)]