399723408

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1543}}^1$

素因数の和:1821

約数の個数: 120

約数和(自身を含む): 1284286848

約数和(自身を除く): 884563440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 257, 336, 504, 514, 771, 1008, 1028, 1542, 1543, 1799, 2056, 2313, 3084, 3086, 3598, 4112, 4626, 4629, 5397, 6168, 6172, 7196, 9252, 9258, 10794, 10801, 12336, 12344, 13887, 14392, 16191, 18504, 18516, 21588, 21602, 24688, 27774, 28784, 32382, 32403, 37008, 37032, 43176, 43204, 55548, 64764, 64806, 74064, 86352, 86408, 97209, 111096, 129528, 129612, 172816, 194418, 222192, 259056, 259224, 388836, 396551, 518448, 777672, 793102, 1189653, 1555344, 1586204, 2379306, 2775857, 3172408, 3568959, 4758612, 5551714, 6344816, 7137918, 8327571, 9517224, 11103428, 14275836, 16655142, 19034448, 22206856, 24982713, 28551672, 33310284, 44413712, 49965426, 57103344, 66620568, 99930852, 133241136, 199861704, 399723408]

約数ペア:

[(1, 399723408), (2, 199861704), (3, 133241136), (4, 99930852), (6, 66620568), (7, 57103344), (8, 49965426), (9, 44413712), (12, 33310284), (14, 28551672), (16, 24982713), (18, 22206856), (21, 19034448), (24, 16655142), (28, 14275836), (36, 11103428), (42, 9517224), (48, 8327571), (56, 7137918), (63, 6344816), (72, 5551714), (84, 4758612), (112, 3568959), (126, 3172408), (144, 2775857), (168, 2379306), (252, 1586204), (257, 1555344), (336, 1189653), (504, 793102), (514, 777672), (771, 518448), (1008, 396551), (1028, 388836), (1542, 259224), (1543, 259056), (1799, 222192), (2056, 194418), (2313, 172816), (3084, 129612), (3086, 129528), (3598, 111096), (4112, 97209), (4626, 86408), (4629, 86352), (5397, 74064), (6168, 64806), (6172, 64764), (7196, 55548), (9252, 43204), (9258, 43176), (10794, 37032), (10801, 37008), (12336, 32403), (12344, 32382), (13887, 28784), (14392, 27774), (16191, 24688), (18504, 21602), (18516, 21588)]