388429440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{28901}}^1$

素因数の和:28930

約数の個数: 128

約数和(自身を含む): 1415041920

約数和(自身を除く): 1026612480

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, 28901, 57802, 86703, 115604, 144505, 173406, 202307, 231208, 289010, 346812, 404614, 433515, 462416, 578020, 606921, 693624, 809228, 867030, 924832, 1011535, 1156040, 1213842, 1387248, 1618456, 1734060, 1849664, 2023070, 2312080, 2427684, 2774496, 3034605, 3236912, 3468120, 3699328, 4046140, 4624160, 4855368, 5548992, 6069210, 6473824, 6936240, 8092280, 9248320, 9710736, 11097984, 12138420, 12947648, 13872480, 16184560, 18496640, 19421472, 24276840, 25895296, 27744960, 32369120, 38842944, 48553680, 55489920, 64738240, 77685888, 97107360, 129476480, 194214720, 388429440]

約数ペア:

[(1, 388429440), (2, 194214720), (3, 129476480), (4, 97107360), (5, 77685888), (6, 64738240), (7, 55489920), (8, 48553680), (10, 38842944), (12, 32369120), (14, 27744960), (15, 25895296), (16, 24276840), (20, 19421472), (21, 18496640), (24, 16184560), (28, 13872480), (30, 12947648), (32, 12138420), (35, 11097984), (40, 9710736), (42, 9248320), (48, 8092280), (56, 6936240), (60, 6473824), (64, 6069210), (70, 5548992), (80, 4855368), (84, 4624160), (96, 4046140), (105, 3699328), (112, 3468120), (120, 3236912), (128, 3034605), (140, 2774496), (160, 2427684), (168, 2312080), (192, 2023070), (210, 1849664), (224, 1734060), (240, 1618456), (280, 1387248), (320, 1213842), (336, 1156040), (384, 1011535), (420, 924832), (448, 867030), (480, 809228), (560, 693624), (640, 606921), (672, 578020), (840, 462416), (896, 433515), (960, 404614), (1120, 346812), (1344, 289010), (1680, 231208), (1920, 202307), (2240, 173406), (2688, 144505), (3360, 115604), (4480, 86703), (6720, 57802), (13440, 28901)]