397406720

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 160

約数和(自身を含む): 1014243120

約数和(自身を除く): 616836400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 53, 58, 64, 80, 101, 106, 116, 128, 145, 160, 202, 212, 232, 256, 265, 290, 320, 404, 424, 464, 505, 512, 530, 580, 640, 808, 848, 928, 1010, 1060, 1160, 1280, 1537, 1616, 1696, 1856, 2020, 2120, 2320, 2560, 2929, 3074, 3232, 3392, 3712, 4040, 4240, 4640, 5353, 5858, 6148, 6464, 6784, 7424, 7685, 8080, 8480, 9280, 10706, 11716, 12296, 12928, 13568, 14645, 14848, 15370, 16160, 16960, 18560, 21412, 23432, 24592, 25856, 26765, 27136, 29290, 30740, 32320, 33920, 37120, 42824, 46864, 49184, 51712, 53530, 58580, 61480, 64640, 67840, 74240, 85648, 93728, 98368, 107060, 117160, 122960, 129280, 135680, 155237, 171296, 187456, 196736, 214120, 234320, 245920, 258560, 310474, 342592, 374912, 393472, 428240, 468640, 491840, 620948, 685184, 749824, 776185, 786944, 856480, 937280, 983680, 1241896, 1370368, 1499648, 1552370, 1712960, 1874560, 1967360, 2483792, 2740736, 3104740, 3425920, 3749120, 3934720, 4967584, 6209480, 6851840, 7498240, 9935168, 12418960, 13703680, 19870336, 24837920, 39740672, 49675840, 79481344, 99351680, 198703360, 397406720]

約数ペア:

[(1, 397406720), (2, 198703360), (4, 99351680), (5, 79481344), (8, 49675840), (10, 39740672), (16, 24837920), (20, 19870336), (29, 13703680), (32, 12418960), (40, 9935168), (53, 7498240), (58, 6851840), (64, 6209480), (80, 4967584), (101, 3934720), (106, 3749120), (116, 3425920), (128, 3104740), (145, 2740736), (160, 2483792), (202, 1967360), (212, 1874560), (232, 1712960), (256, 1552370), (265, 1499648), (290, 1370368), (320, 1241896), (404, 983680), (424, 937280), (464, 856480), (505, 786944), (512, 776185), (530, 749824), (580, 685184), (640, 620948), (808, 491840), (848, 468640), (928, 428240), (1010, 393472), (1060, 374912), (1160, 342592), (1280, 310474), (1537, 258560), (1616, 245920), (1696, 234320), (1856, 214120), (2020, 196736), (2120, 187456), (2320, 171296), (2560, 155237), (2929, 135680), (3074, 129280), (3232, 122960), (3392, 117160), (3712, 107060), (4040, 98368), (4240, 93728), (4640, 85648), (5353, 74240), (5858, 67840), (6148, 64640), (6464, 61480), (6784, 58580), (7424, 53530), (7685, 51712), (8080, 49184), (8480, 46864), (9280, 42824), (10706, 37120), (11716, 33920), (12296, 32320), (12928, 30740), (13568, 29290), (14645, 27136), (14848, 26765), (15370, 25856), (16160, 24592), (16960, 23432), (18560, 21412)]