397050160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1303}}^1$

素因数の和:1622

約数の個数: 80

約数和(自身を含む): 998311104

約数和(自身を除く): 601260944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 520, 586, 1040, 1172, 1303, 1465, 2344, 2606, 2930, 3809, 4688, 5212, 5860, 6515, 7618, 10424, 11720, 13030, 15236, 16939, 19045, 20848, 23440, 26060, 30472, 33878, 38090, 52120, 60944, 67756, 76180, 84695, 104240, 135512, 152360, 169390, 271024, 304720, 338780, 381779, 677560, 763558, 1355120, 1527116, 1908895, 3054232, 3817790, 4963127, 6108464, 7635580, 9926254, 15271160, 19852508, 24815635, 30542320, 39705016, 49631270, 79410032, 99262540, 198525080, 397050160]

約数ペア:

[(1, 397050160), (2, 198525080), (4, 99262540), (5, 79410032), (8, 49631270), (10, 39705016), (13, 30542320), (16, 24815635), (20, 19852508), (26, 15271160), (40, 9926254), (52, 7635580), (65, 6108464), (80, 4963127), (104, 3817790), (130, 3054232), (208, 1908895), (260, 1527116), (293, 1355120), (520, 763558), (586, 677560), (1040, 381779), (1172, 338780), (1303, 304720), (1465, 271024), (2344, 169390), (2606, 152360), (2930, 135512), (3809, 104240), (4688, 84695), (5212, 76180), (5860, 67756), (6515, 60944), (7618, 52120), (10424, 38090), (11720, 33878), (13030, 30472), (15236, 26060), (16939, 23440), (19045, 20848)]