438411680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1987}}^1$

素因数の和:2206

約数の個数: 96

約数和(自身を含む): 1190318976

約数和(自身を除く): 751907296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 197, 224, 280, 394, 560, 788, 985, 1120, 1379, 1576, 1970, 1987, 2758, 3152, 3940, 3974, 5516, 6304, 6895, 7880, 7948, 9935, 11032, 13790, 13909, 15760, 15896, 19870, 22064, 27580, 27818, 31520, 31792, 39740, 44128, 55160, 55636, 63584, 69545, 79480, 110320, 111272, 139090, 158960, 220640, 222544, 278180, 317920, 391439, 445088, 556360, 782878, 1112720, 1565756, 1957195, 2225440, 2740073, 3131512, 3914390, 5480146, 6263024, 7828780, 10960292, 12526048, 13700365, 15657560, 21920584, 27400730, 31315120, 43841168, 54801460, 62630240, 87682336, 109602920, 219205840, 438411680]

約数ペア:

[(1, 438411680), (2, 219205840), (4, 109602920), (5, 87682336), (7, 62630240), (8, 54801460), (10, 43841168), (14, 31315120), (16, 27400730), (20, 21920584), (28, 15657560), (32, 13700365), (35, 12526048), (40, 10960292), (56, 7828780), (70, 6263024), (80, 5480146), (112, 3914390), (140, 3131512), (160, 2740073), (197, 2225440), (224, 1957195), (280, 1565756), (394, 1112720), (560, 782878), (788, 556360), (985, 445088), (1120, 391439), (1379, 317920), (1576, 278180), (1970, 222544), (1987, 220640), (2758, 158960), (3152, 139090), (3940, 111272), (3974, 110320), (5516, 79480), (6304, 69545), (6895, 63584), (7880, 55636), (7948, 55160), (9935, 44128), (11032, 39740), (13790, 31792), (13909, 31520), (15760, 27818), (15896, 27580), (19870, 22064)]