389637040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{12919}}^1$

素因数の和:12974

約数の個数: 80

約数和(自身を含む): 1009310400

約数和(自身を除く): 619673360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 6032, 7540, 12919, 15080, 25838, 30160, 51676, 64595, 103352, 129190, 167947, 206704, 258380, 335894, 374651, 516760, 671788, 749302, 839735, 1033520, 1343576, 1498604, 1679470, 1873255, 2687152, 2997208, 3358940, 3746510, 4870463, 5994416, 6717880, 7493020, 9740926, 13435760, 14986040, 19481852, 24352315, 29972080, 38963704, 48704630, 77927408, 97409260, 194818520, 389637040]

約数ペア:

[(1, 389637040), (2, 194818520), (4, 97409260), (5, 77927408), (8, 48704630), (10, 38963704), (13, 29972080), (16, 24352315), (20, 19481852), (26, 14986040), (29, 13435760), (40, 9740926), (52, 7493020), (58, 6717880), (65, 5994416), (80, 4870463), (104, 3746510), (116, 3358940), (130, 2997208), (145, 2687152), (208, 1873255), (232, 1679470), (260, 1498604), (290, 1343576), (377, 1033520), (464, 839735), (520, 749302), (580, 671788), (754, 516760), (1040, 374651), (1160, 335894), (1508, 258380), (1885, 206704), (2320, 167947), (3016, 129190), (3770, 103352), (6032, 64595), (7540, 51676), (12919, 30160), (15080, 25838)]