399377888

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 1036385280

約数和(自身を除く): 637007392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 67, 89, 91, 92, 104, 112, 134, 161, 178, 182, 184, 208, 224, 268, 299, 322, 356, 364, 368, 416, 469, 536, 598, 623, 644, 712, 728, 736, 871, 938, 1072, 1157, 1196, 1246, 1288, 1424, 1456, 1541, 1742, 1876, 2047, 2093, 2144, 2314, 2392, 2492, 2576, 2848, 2912, 3082, 3484, 3752, 4094, 4186, 4628, 4784, 4984, 5152, 5963, 6097, 6164, 6968, 7504, 8099, 8188, 8372, 9256, 9568, 9968, 10787, 11926, 12194, 12328, 13936, 14329, 15008, 16198, 16376, 16744, 18512, 19936, 20033, 21574, 23852, 24388, 24656, 26611, 27872, 28658, 32396, 32752, 33488, 37024, 40066, 41741, 43148, 47704, 48776, 49312, 53222, 57316, 64792, 65504, 66976, 77519, 80132, 83482, 86296, 95408, 97552, 106444, 114632, 129584, 137149, 140231, 155038, 160264, 166964, 172592, 186277, 190816, 195104, 212888, 229264, 259168, 274298, 280462, 310076, 320528, 333928, 345184, 372554, 425776, 458528, 542633, 548596, 560924, 620152, 641056, 667856, 745108, 851552, 960043, 1085266, 1097192, 1121848, 1240304, 1335712, 1490216, 1782937, 1920086, 2170532, 2194384, 2243696, 2480608, 2980432, 3565874, 3840172, 4341064, 4388768, 4487392, 5960864, 7131748, 7680344, 8682128, 12480559, 14263496, 15360688, 17364256, 24961118, 28526992, 30721376, 49922236, 57053984, 99844472, 199688944, 399377888]

約数ペア:

[(1, 399377888), (2, 199688944), (4, 99844472), (7, 57053984), (8, 49922236), (13, 30721376), (14, 28526992), (16, 24961118), (23, 17364256), (26, 15360688), (28, 14263496), (32, 12480559), (46, 8682128), (52, 7680344), (56, 7131748), (67, 5960864), (89, 4487392), (91, 4388768), (92, 4341064), (104, 3840172), (112, 3565874), (134, 2980432), (161, 2480608), (178, 2243696), (182, 2194384), (184, 2170532), (208, 1920086), (224, 1782937), (268, 1490216), (299, 1335712), (322, 1240304), (356, 1121848), (364, 1097192), (368, 1085266), (416, 960043), (469, 851552), (536, 745108), (598, 667856), (623, 641056), (644, 620152), (712, 560924), (728, 548596), (736, 542633), (871, 458528), (938, 425776), (1072, 372554), (1157, 345184), (1196, 333928), (1246, 320528), (1288, 310076), (1424, 280462), (1456, 274298), (1541, 259168), (1742, 229264), (1876, 212888), (2047, 195104), (2093, 190816), (2144, 186277), (2314, 172592), (2392, 166964), (2492, 160264), (2576, 155038), (2848, 140231), (2912, 137149), (3082, 129584), (3484, 114632), (3752, 106444), (4094, 97552), (4186, 95408), (4628, 86296), (4784, 83482), (4984, 80132), (5152, 77519), (5963, 66976), (6097, 65504), (6164, 64792), (6968, 57316), (7504, 53222), (8099, 49312), (8188, 48776), (8372, 47704), (9256, 43148), (9568, 41741), (9968, 40066), (10787, 37024), (11926, 33488), (12194, 32752), (12328, 32396), (13936, 28658), (14329, 27872), (15008, 26611), (16198, 24656), (16376, 24388), (16744, 23852), (18512, 21574), (19936, 20033)]