179631220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 391865040

約数和(自身を除く): 212233820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 317, 580, 634, 977, 1268, 1585, 1954, 3170, 3908, 4885, 6340, 9193, 9770, 18386, 19540, 28333, 36772, 45965, 56666, 91930, 113332, 141665, 183860, 283330, 309709, 566660, 619418, 1238836, 1548545, 3097090, 6194180, 8981561, 17963122, 35926244, 44907805, 89815610, 179631220]

約数ペア:

[(1, 179631220), (2, 89815610), (4, 44907805), (5, 35926244), (10, 17963122), (20, 8981561), (29, 6194180), (58, 3097090), (116, 1548545), (145, 1238836), (290, 619418), (317, 566660), (580, 309709), (634, 283330), (977, 183860), (1268, 141665), (1585, 113332), (1954, 91930), (3170, 56666), (3908, 45965), (4885, 36772), (6340, 28333), (9193, 19540), (9770, 18386)]