388983840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{115769}}^1$

素因数の和:115794

約数の個数: 96

約数和(自身を含む): 1400353920

約数和(自身を除く): 1011370080

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 115769, 231538, 347307, 463076, 578845, 694614, 810383, 926152, 1157690, 1389228, 1620766, 1736535, 1852304, 2315380, 2431149, 2778456, 3241532, 3473070, 3704608, 4051915, 4630760, 4862298, 5556912, 6483064, 6946140, 8103830, 9261520, 9724596, 11113824, 12155745, 12966128, 13892280, 16207660, 18523040, 19449192, 24311490, 25932256, 27784560, 32415320, 38898384, 48622980, 55569120, 64830640, 77796768, 97245960, 129661280, 194491920, 388983840]

約数ペア:

[(1, 388983840), (2, 194491920), (3, 129661280), (4, 97245960), (5, 77796768), (6, 64830640), (7, 55569120), (8, 48622980), (10, 38898384), (12, 32415320), (14, 27784560), (15, 25932256), (16, 24311490), (20, 19449192), (21, 18523040), (24, 16207660), (28, 13892280), (30, 12966128), (32, 12155745), (35, 11113824), (40, 9724596), (42, 9261520), (48, 8103830), (56, 6946140), (60, 6483064), (70, 5556912), (80, 4862298), (84, 4630760), (96, 4051915), (105, 3704608), (112, 3473070), (120, 3241532), (140, 2778456), (160, 2431149), (168, 2315380), (210, 1852304), (224, 1736535), (240, 1620766), (280, 1389228), (336, 1157690), (420, 926152), (480, 810383), (560, 694614), (672, 578845), (840, 463076), (1120, 347307), (1680, 231538), (3360, 115769)]