394927480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 969408000

約数和(自身を除く): 574480520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 67, 86, 92, 115, 134, 149, 172, 184, 215, 230, 268, 298, 335, 344, 430, 460, 536, 596, 670, 745, 860, 920, 989, 1192, 1340, 1490, 1541, 1720, 1978, 2680, 2881, 2980, 3082, 3427, 3956, 4945, 5762, 5960, 6164, 6407, 6854, 7705, 7912, 9890, 9983, 11524, 12328, 12814, 13708, 14405, 15410, 17135, 19780, 19966, 23048, 25628, 27416, 28810, 30820, 32035, 34270, 39560, 39932, 49915, 51256, 57620, 61640, 64070, 66263, 68540, 79864, 99830, 115240, 128140, 132526, 137080, 147361, 199660, 229609, 256280, 265052, 294722, 331315, 399320, 429269, 459218, 530104, 589444, 662630, 736805, 858538, 918436, 1148045, 1178888, 1325260, 1473610, 1717076, 1836872, 2146345, 2296090, 2650520, 2947220, 3434152, 4292690, 4592180, 5894440, 8585380, 9184360, 9873187, 17170760, 19746374, 39492748, 49365935, 78985496, 98731870, 197463740, 394927480]

約数ペア:

[(1, 394927480), (2, 197463740), (4, 98731870), (5, 78985496), (8, 49365935), (10, 39492748), (20, 19746374), (23, 17170760), (40, 9873187), (43, 9184360), (46, 8585380), (67, 5894440), (86, 4592180), (92, 4292690), (115, 3434152), (134, 2947220), (149, 2650520), (172, 2296090), (184, 2146345), (215, 1836872), (230, 1717076), (268, 1473610), (298, 1325260), (335, 1178888), (344, 1148045), (430, 918436), (460, 858538), (536, 736805), (596, 662630), (670, 589444), (745, 530104), (860, 459218), (920, 429269), (989, 399320), (1192, 331315), (1340, 294722), (1490, 265052), (1541, 256280), (1720, 229609), (1978, 199660), (2680, 147361), (2881, 137080), (2980, 132526), (3082, 128140), (3427, 115240), (3956, 99830), (4945, 79864), (5762, 68540), (5960, 66263), (6164, 64070), (6407, 61640), (6854, 57620), (7705, 51256), (7912, 49915), (9890, 39932), (9983, 39560), (11524, 34270), (12328, 32035), (12814, 30820), (13708, 28810), (14405, 27416), (15410, 25628), (17135, 23048), (19780, 19966)]