388698240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{28921}}^1$

素因数の和:28950

約数の個数: 128

約数和(自身を含む): 1416021120

約数和(自身を除く): 1027322880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 28921, 57842, 86763, 115684, 144605, 173526, 202447, 231368, 289210, 347052, 404894, 433815, 462736, 578420, 607341, 694104, 809788, 867630, 925472, 1012235, 1156840, 1214682, 1388208, 1619576, 1735260, 1850944, 2024470, 2313680, 2429364, 2776416, 3036705, 3239152, 3470520, 3701888, 4048940, 4627360, 4858728, 5552832, 6073410, 6478304, 6941040, 8097880, 9254720, 9717456, 11105664, 12146820, 12956608, 13882080, 16195760, 18509440, 19434912, 24293640, 25913216, 27764160, 32391520, 38869824, 48587280, 55528320, 64783040, 77739648, 97174560, 129566080, 194349120, 388698240]

約数ペア:

[(1, 388698240), (2, 194349120), (3, 129566080), (4, 97174560), (5, 77739648), (6, 64783040), (7, 55528320), (8, 48587280), (10, 38869824), (12, 32391520), (14, 27764160), (15, 25913216), (16, 24293640), (20, 19434912), (21, 18509440), (24, 16195760), (28, 13882080), (30, 12956608), (32, 12146820), (35, 11105664), (40, 9717456), (42, 9254720), (48, 8097880), (56, 6941040), (60, 6478304), (64, 6073410), (70, 5552832), (80, 4858728), (84, 4627360), (96, 4048940), (105, 3701888), (112, 3470520), (120, 3239152), (128, 3036705), (140, 2776416), (160, 2429364), (168, 2313680), (192, 2024470), (210, 1850944), (224, 1735260), (240, 1619576), (280, 1388208), (320, 1214682), (336, 1156840), (384, 1012235), (420, 925472), (448, 867630), (480, 809788), (560, 694104), (640, 607341), (672, 578420), (840, 462736), (896, 433815), (960, 404894), (1120, 347052), (1344, 289210), (1680, 231368), (1920, 202447), (2240, 173526), (2688, 144605), (3360, 115684), (4480, 86763), (6720, 57842), (13440, 28921)]